Kyle has 47 watermelons, 28 of them are green and 19 of them are yellow. If Kyle randomly eats one watermelon today, and one watermelon tomorrow, what is the probability that both watermelons will be green?

options:

0.28

0.35

0.56

1 because yellow watermelons do not exist

Answers

Answer 1

Answer:

Hey there Vivi

Step-by-step explanation:

The probability of both watermelons being green can be calculated by dividing the number of favorable outcomes (both watermelons being green) by the total number of possible outcomes (any two watermelons chosen).

Kyle has 28 green watermelons out of a total of 47 watermelons. After eating one watermelon today, there will be 46 watermelons left, with 27 of them being green. Tomorrow, after eating one more watermelon, there will be 45 watermelons left, with 26 of them being green.

The probability of both watermelons being green is therefore (27/46) * (26/45) = 0.35.

Therefore, the correct option is 0.35.


Related Questions

some researchers decide they want to do a survey with the target population of all americans. the survey will be distributed online. current reports show that 89% of americans utilize the internet. 1. what type of coverage error might occur in this study? 2. what are two ways that bias might be avoided?

Answers

This can help ensure that the responses are accurate and reliable.

What is probability?

Probability is a branch of mathematics that deals with the study of random events or phenomena. It is the measure of the likelihood that an event will occur or not occur, expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty.

The type of coverage error that might occur in this study is under coverage error.

This means that there is a group of people in the target population that are not represented in the sample, in this case, those who do not use the internet.

Two ways to avoid bias in this study are:

Using probability sampling methods:

Probability sampling methods such as simple random sampling, stratified sampling, or cluster sampling can help ensure that each member of the target population has an equal chance of being included in the sample. This can help avoid bias by ensuring that the sample is representative of the target population.

Using proper survey design:

The survey should be designed in a way that avoids leading questions, loaded questions, or questions that are ambiguous or unclear.

The survey should be pretested with a small sample to ensure that the questions are clear, unbiased, and easy to understand.

Hence, This can help ensure that the responses are accurate and reliable.

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a bag contains 14 pieces of candy. in how many ways can six pieces be selected?

Answers

The number of ways to select 6 pieces of candy from a bag containing 14 pieces can be calculated using the combination formula. There are 3003 different ways to select six pieces of candy from a bag containing 14 pieces.

which is:

nCr = n! / (r! * (n-r)!)

where n is the total number of candies in the bag (14), and r is the number of candies to be selected (6).

Using this formula, we get:

14C6 = 14! / (6! * (14-6)!)
= 3003

Therefore, there are 3003 ways to select 6 pieces of candy from a bag containing 14 pieces.


To determine the number of ways six pieces can be selected from a bag containing 14 pieces of candy, you can use the concept of combinations. Combinations are used when the order of selection does not matter.

The formula for combinations is:
C(n, r) = n! / (r!(n-r)!)

In this case, n = 14 (total pieces of candy) and r = 6 (number of pieces to be selected).

Using the formula:

C(14, 6) = 14! / (6!(14-6)!)

C(14, 6) = 14! / (6! * 8!)

Now, calculate the factorials:

14! = 14 * 13 * 12 * 11 * 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1
6! = 6 * 5 * 4 * 3 * 2 * 1
8! = 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1

Then, substitute the factorials back into the equation:

C(14, 6) = (14!)/(6! * 8!)

C(14, 6) = (87178291200)/(720 * 40320)

Finally, divide the numerator by the denominator:

C(14, 6) = 3003

So, there are 3003 different ways to select six pieces of candy from a bag containing 14 pieces.

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Rhonda bought a new laptop for
. The laptop depreciates, or loses,
of its value each year. The value of the laptop at a later time can be found using the formula
, where P is the original value, r is the rate of depreciation written as a decimal, and t is the number of years since it was purchased. What will the laptop be worth in two years?

In two years, the laptop will be worth $blank.

Answers

The laptop will be worth $594.48 in two years.

To find the value of the laptop in two years, we need to substitute the given values into the formula:

Value = P x (1 - r)ⁿ

In this case, the original value of the laptop is $700, and it depreciates at a rate of 0.08 per year (which is 8% expressed as a decimal). We want to find the value in two years, so t = 2.

Substituting the values into the formula:

Value = $700 x (1 - 0.08)²

Value = $700 x (0.92)²

Value ≈ $700 x 0.8464

Value ≈ $594.48

Therefore, the laptop will be worth $594.48 in two years.

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Shirley is drawing triangles that have the same area. The base of each triangle varies inversely with the height. What are the possible base and height of a second triangle if the first triangle's base is 12 and its height is 8 ?

Answers

The possible base and height of a second triangle that has the same area as a first triangle with a base of 12 and a height of 8 are (8, 12) or (6, 16).

The triangles have the same area, their base and height are inversely proportional to each other.

This means that if we multiply the base of the first triangle by some factor must divide its height by the same factor to keep the area the same.

Let's use "k" as the constant of proportionality that relates the base and height of the triangles.

Then, we can write:

base₁ × height₁ = base₂ × height₂

The subscripts 1 and 2 refer to the first and second triangles respectively.

The base and height of the first triangle so we can substitute those values:

12 × 8 = base₂ × height₂

Simplifying, we get:

96 = base₂ × height₂

Now, since the base and height are inversely proportional can choose any pair of values that multiply to 96.

The base of the second triangle is 8 then its height must be:

height₂ = 96 / base₂

= 96 / 8

= 12

Alternatively, if the base of the second triangle is 6, then its height must be:

height₂ = 96 / base₂

= 96 / 6

= 16

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find the area between y=2x and y=2√ x. round your answer to four decimal places. area = _____________

Answers

Therefore, The area between y=2x and y=2√x is approximately 0.3333 (rounded to four decimal places).

To find the area between y=2x and y=2√x, we'll first need to find the points of intersection between the two functions. Next, we'll integrate the difference between the functions over the interval of intersection.
Step 1: Find the points of intersection:
Set the functions equal to each other: 2x = 2√x
Divide by 2: x = √x
Square both sides: x^2 = x
Rearrange to find x: x^2 - x = 0
Factor: x(x - 1) = 0
So the points of intersection are x = 0 and x = 1.
Step 2: Integrate the difference between the functions:
Integral(2√x - 2x)dx from 0 to 1
Step 3: Calculate the area:
Area = ∫[2√x - 2x]dx from 0 to 1
= [4/3 * x^(3/2) - x^2] evaluated from 0 to 1
= (4/3 * 1^(3/2) - 1^2) - (4/3 * 0^(3/2) - 0^2)
= (4/3 - 1) - 0
= 1/3

Therefore, The area between y=2x and y=2√x is approximately 0.3333 (rounded to four decimal places).

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I need help with this question pls

Answers

Answer:

[tex]\frac{3}{2}[/tex]

Step-by-step explanation:

as x → 1 , the denominator = 2x - 2 = 2(1) - 2 = 2 - 2 = 0

this means the expression is undefined

simplify the expression by factoring numerator and denominator

x³ - 1 ← is a difference of cubes and factors in general as

a³ - b³ = (a - b)(a² + ab + b²) , then

x³ - 1

= x³ - 1³ ( with a = x and b = 1 )

= (x - 1)(x² + x + 1)

2x - 2 = 2(x - 1)

rewriting the expression

lim x → 1 [tex]\frac{(x-1)(x^2+x+1)}{2(x-1)}[/tex] ← cancel (x - 1) on numerator/ denominator

lim x → 1 [tex]\frac{x^2+x+1}{2}[/tex]  ( substitute x = 1 )

limx→ 1 [tex]\frac{1+1+1}{2}[/tex] = [tex]\frac{3}{2}[/tex]

When we evaluate the expression lim x → 1 | x³ - 1 | / (2x - 2), the result obtained is 3/2

How do i evaluate lim x → | x³ - 1 | / (2x - 2)?

First, we shall express x³ - 1 in factor from. This is illustrated below:

x³ - 1 = x³ - 1³ => Difference of cubes

Thus, we have:

x³ - 1 = (x - 1)(x² + x + 1)

Next, we shall express 2x - 2 in factor form. Details below:

2x - 2

2 is common in both terms

Thus,

2x - 2 = 2(x - 1)

Finally, we shall evaluate lim x → 1 |x³ - 1| / (2x - 2). This is shown below:

|x³ - 1| / (2x - 2) = [(x - 1)(x² + x + 1)] / 2(x - 1)

Cancel out (x - 1)

|x³ - 1| / (2x - 2) = (x² + x + 1) / 2

As x tends to 1, we have

|x³ - 1| / (2x - 2) = (1² + 1 + 1) / 2

|x³ - 1| / (2x - 2) = 3 / 2

Thus, we can conclude that the evaluation of lim x→1 |x³ - 1| / (2x - 2) is 3/2

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At a middle school, 3 out of every 4 students ride a bus to school students at the school. How many students ride a bus to school?

Answers

Answer:

450 students

Step-by-step explanation:

convert 8 875 metres to kilometres​

Answers

Answer:

8.875 km

Step-by-step explanation:

1km = 1000 metres

so 8875 metres = 8875/1000 = 8.875 X 1km = 8.875km

Answer: 8,875 metres= 8.875 kilometres

In 1985, Leslie bought a classic 1956 Chevrolet Nomad for $22,000. Over the next 31 years, he invested approximately $750 per year into restoring the car to its original condition. In 2016 he sold it for $61,000.
a. Imagine he chose not to invest in the car. Assume he invested the initial $22,000 in an account that paid an average of 9.11 % interest compounded daily for the next 10 years. How much would that grow to in the 10 years? Round to the nearest hundred dollars.
b. Interest rates started to fall in the 1990s. Imagine he took the money the account had earned in part a (after rounding) and invested it in a CD that paid an average of 4% compounded daily for the remaining 21 years. How much would that grow to by 2016? Round to the nearest hundred dollars.
c. If he deposited $750 each year into an account that paid 4.09% compounded annually, how much would be in that account after the 31 years? Round to the nearest hundred dollars.
d. How much of a gain would the three accounts from parts a, b, and c make in the 31 years, to the nearest hundred dollars?
e. How much did he invest in the Nomad?
f. How much did he gain on the Nomad investment?
g. Which investment was more conservative?

Answers

If Leslie had invested the initial $22,000 in an account that paid an average of 9.11% interest compounded daily for 10 years, it would grow to approximately $56,300.

b. If Leslie had taken the money from part a and invested it in a CD that paid an average of 4% compounded daily for the remaining 21 years, it would grow to approximately $135,300.

c. If Leslie deposited $750 each year into an account that paid 4.09% compounded annually for 31 years, he would have approximately $49,600.

d. The total gain from the three accounts would be approximately $158,200.

e. Leslie invested $22,000 in the Nomad.

f. Leslie gained $39,000 on the Nomad investment (selling price of $61,000 minus the initial investment of $22,000 and the yearly investments of $23,250 over 31 years).

g. The CD account that paid an average of 4% compounded daily was the most conservative investment since it provided a lower rate of return compared to the other accounts. The other accounts had higher risk due to fluctuations in interest rates and market conditions.

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please help:
find the value of x if RSTV∼WXYZ​

Answers

Answer:

x = 21

Step-by-step explanation:

if RSTV ≈ WXYZ

then 5x - 2 = 103

5x = 103 + 2 = 105

x = 105/5 = 21

At a conference, there are 150 math teachers and 15 science teachers. Write the ratio of math teachers to science teachers in simplest form

Answers

The simplest form of the ratio is 10.

What is simplest form definition and examples?

A fraction is said to be in its simplest form if 1 is the only common factor of its numerator and denominator. For example,89,because 1 is the only common factor of 8 and 9 in this fraction. We simplify fractions because it is always to work or calculate when the fractions are in the simplest form.

We have the information:

There are 150 math teachers

and, 15 science teachers

We have to find the ratio of math teachers to science teachers in simplest form.

Now, According to the question:

The ratio will be:

=> 150/15 = 10

Hence, The simplest form of the ratio is 10.

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I NEED HELP SOMEONE PLEASE

Answers

Point A is at (4,1).

Point B is at (1,5).

Imagine drawing that blue triangle with a point at (1,1).

The distance of that bottom side would be (4-1) = 3.

The distance of the left side would be (5-1) = 4.

You can just could these distances on the graph or subtract the coordinates.

Now use the pyth. Theorem to find the hypotenuse, which is the length of one of the edges of the square.

3^2 + 4^2 = c^2

9+16 = 25 = c^2, so c = 5.

All sides of a square are the same.

AB = 5

BC = 5

CD = 5

DA = 5

Perimeter = 5+5+5+5 = 20 units

Area = 5x5 = 25 sq units.

See screenshot attached.

Have a good afternoon.

What is the simplified version of the squad root of 45?

Answers

Answer:

3√5

Step-by-step explanation:

Hence, the square root of 45 can be expressed as, √45 = √(9 × 5) = 3√5. 45 is not a perfect square, hence, it remains within roots. The simplified radical form of the square root of 45 is 3√5.

suppose (x, y, z) are jointly uniform in the unit sphere in 3-dimensional space. find the distribution of x^2 y^2 z^2.

Answers

The distribution of x^2 y^2 z^2 is not uniform. To find the distribution, we need to use the transformation method.

Let g(x,y,z) = x^2 y^2 z^2. Then, we need to find the Jacobian of the transformation. J = | ∂(x,y,z)/∂(u,v,w) |, where (u,v,w) = (x^2 y^2 z^2, θ, φ)

∂(x,y,z)/∂u = 2xy^2z^2
∂(x,y,z)/∂v = -x^2y^2zsin(φ)
∂(x,y,z)/∂w = -x^2y^2z^2cos(φ)

Therefore, J = 2x^2y^3z^3sin(φ)cos(φ)

The joint distribution of (u,v,w) is given by:

f(u,v,w) = f(x,y,z) |J|, where (x,y,z) is uniform on the unit sphere.

Since (x,y,z) is uniform on the unit sphere, we know that:

f(x,y,z) = 1/(4π)

Substituting the Jacobian, we get:

f(u,v,w) = 1/(4π) * 2x^2y^3z^3sin(φ)cos(φ)

To find the marginal distribution of u, we integrate out v and w:

f(u) = ∫∫ f(u,v,w) dv dw
     = ∫∫ 1/(4π) * 2x^2y^3z^3sin(φ)cos(φ) dv dw

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Find the maximum value of f(x, y, z) = 5xy + 5xz + 5yz – xyz subject to the constraint g(x, y, z) = x + y + z = 1, for x>0, y > 0, and z > 0.

Answers

We can solve this problem using the method of Lagrange multipliers. We need to maximize the function f(x, y, z) subject to the constraint g(x, y, z) = x + y + z = 1. We can set up the Lagrangian function L(x, y, z, λ) as follows:

L(x, y, z, λ) = f(x, y, z) - λg(x, y, z)

= 5xy + 5xz + 5yz - xyz - λ(x + y + z - 1)

To find the critical points of L, we need to take partial derivatives of L with respect to x, y, z, and λ, and set them equal to zero:

∂L/∂x = 5y + 5z - yz - λ = 0

∂L/∂y = 5x + 5z - xz - λ = 0

∂L/∂z = 5x + 5y - xy - λ = 0

∂L/∂λ = x + y + z - 1 = 0

From the first three equations, we can solve for x, y, and z in terms of λ:

x = (λ - 5y - 5z)/(5 - yz)

y = (λ - 5x - 5z)/(5 - xz)

z = (λ - 5x - 5y)/(5 - xy)

Substituting these expressions into the constraint equation x + y + z = 1, we get:

(λ - 5y - 5z)/(5 - yz) + (λ - 5x - 5z)/(5 - xz) + (λ - 5x - 5y)/(5 - xy) = 1

Simplifying this equation, we get:

λ(3xyz - 5(xy + xz + yz)) = -125

Since x, y, and z are positive, we know that 3xyz > 0, so we can divide both sides by 3xyz to get:

λ = -125/(5(xy + xz + yz))

Substituting this expression for λ back into the equations for x, y, and z, we get:

x = 5/3

y = 5/3

z = 1/3

We can check that these values satisfy the constraint equation x + y + z = 1 and that they correspond to a maximum of f(x, y, z) by computing the second partial derivatives of L and evaluating them at the critical point:

∂²L/∂x² = -yz, ∂²L/∂y² = -xz, ∂²L/∂z² = -xy, ∂²L/∂x∂y = 5 - z, ∂²L/∂x∂z = 5 - y, ∂²L/∂y∂z = 5 - x

The determinant of the Hessian matrix of L evaluated at the critical point is:

∂²L/∂x²(∂²L/∂y²)(∂²L/∂z²) + 2∂²L/∂x∂y(∂²L/∂x∂z)(∂²L/∂y∂z) - (∂²L/∂x²)(∂²L/∂y∂z)²

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30 points plus brainliest if you answer the ones in the photo

8. Simplify
7/2a • 5/a^2

Answers

The simplified form of [tex]7/2a * 5/a^2[/tex]  is  [tex]35/(2a^3)[/tex].

What is the simplified form of the expression?

An expression refers to statement having minimum of two numbers, variables or both and an operator connecting them.

To simplify expression [tex]\frac{7}{2a} * \frac{5}{a^2}[/tex] , we will combine the numerical coefficients and simplify the variables separately.

We will multiply the numerical coefficients:

= 7/2 * 5

= 35/2

We will simplify the variables:

[tex]= a * a^2\\= a^{1+2}\\= a^3[/tex]

By combining coefficients and variables, we have:

[tex]= (35/2) * (1/a^3)\\= 35/(2a^3).[/tex]

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in a contest in which 7 contestants are entered, in how many ways can 5 prizes be awarded

Answers

There are 21 different ways to award the 5 prizes among the 7 contestants for the combinations.

Two ideas in combinatorics are combinations and permutations. Permutations are arrangements where the order is important, whereas combinations are a choice of elements when the order is irrelevant. Combinations involve selecting a subset, whereas permutations entail putting a group of things in a specific order.

We'll use the concept of combinations. In a contest with 7 contestants and 5 prizes to be awarded, you want to determine the number of ways to choose 5 winners from the 7 contestants.

You can use the formula for combinations: [tex]C(n, r) = n! / (r!(n-r)!)[/tex] where n is the total number of contestants (7 in this case) and r is the number of prizes (5 in this case).

Step 1: Calculate[tex]n![/tex] ([tex]7![/tex]in this case)
[tex]7![/tex] = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5,040

Step 2: Calculate[tex]r![/tex]([tex]5![/tex] in this case)
[tex]5![/tex] = 5 × 4 × 3 × 2 × 1 = 120

Step 3: Calculate [tex](n-r)![/tex] ([tex]2![/tex] in this case)
[tex]2![/tex]= 2 × 1 = 2

Step 4: Apply the formula [tex]C(n, r) = n! / (r!(n-r)!)[/tex]
C(7, 5) = 5,040 / (120 × 2)
C(7, 5) = 5,040 / 240
C(7, 5) = 21

There are 21 different ways to award the 5 prizes among the 7 contestants.


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The value represented by point A is ____ -2.5

1. Less than
2. Equal to
3. Greater than​

Answers

Answer:

Step-by-step explanation:

The value represented by point A is less than -2.5.

a store has clearance items that have been marked down by 25%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Answers

You would end up paying 43.75% of the original price based on the clearance percent.

Here's how to calculate it:
- Start with the original price. Let's call it 100%.
- The clearance items have been marked down by 25%, so you're now paying 75% of the original price (100% - 25% = 75%).
- The sale is offering an additional 55% off the clearance price. To calculate the final percentage, you need to multiply the current percentage (75%) by the discount percentage (55%), and then subtract that from the current percentage.
- So, 75% x 55% = 41.25%. Subtract that from 75%: 75% - 41.25% = 33.75%.
- This means that you'll end up paying 33.75% of the original price.
- However, we need to remember that we started with 100%, so we need to calculate what percentage 33.75% is of 100%.
- To do this, we divide 33.75 by 100, and then multiply by 100 to get the percentage: (33.75/100) x 100 = 33.75%.
- Therefore, you end up paying 43.75% of the original price (100% - 25% - 41.25% = 33.75%, which is 43.75% of 100%).


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What is factoring by finding the common factor and why is it important?

How do you identify the common factor when factoring an algebraic expression?

Can you provide an example of factoring by finding the common factor?

What are the steps involved in factoring by finding the common factor?

Is it always possible to factor an algebraic expression by finding the common factor?

Answers

To factorize any given equation, the first concept to be learnt is GCF(greatest common factor), identifying maximum common power, besides the concept of handling polynomial using the quadratic formula (for maximum power = 2) can also be used.

Example : Consider the following equation - [tex]x^5 + 3x^4+2x^2+4x[/tex], here we observe that the greatest common factor of the coefficients' is 1, while for the power of variable 'x', the minimum is 1, therefore we take x common. One way to factorize :

[tex]x(x^4+3x^3+2x+1)[/tex] . Another way to write the above mentioned is :

[tex]x^4(x+3)+2x(x+2)[/tex]

Hope, the steps are clear and easy to understand. You can also use quadratic formula to find roots and then put them in (x+a)(x+b) form

A garden is √30m long and √8m wide. The garden is covered in grass except for a small rectangular pond which is √2m long and √6m wide. Express the area of the pond as percentage of the area of the garden

Answers

Step-by-step explanation:

Garden area = L x W = sqrt (30 *8) = sqrt (240)

Pond area = L x W = sqrt (2 *6) = sqrt (12)

Percentage of the garden that is pond:

   pond area / garden area   x 100%

          sqrt (12) / sqrt(240)   x 100%  =  sqrt (1/20)   x100% = 22.36 %

I need to find what is the solution of 3^8 times 3^2

Answers

Answer:

59049

Step-by-step explanation:

Let 'a' be a base number (like 3 in the question).

a^K  X  a^L =  a^(K + L)

this will work as long as the base number is the same.

in this question, 3 is the base for both.

so we have 3^8  X  3^2 = 3^(8+2) = 3^10 = 59049

Jestion 8/10
To file your federal and state taxes you
can use tax preparation software for federal taxes,
but can't for state taxes
must prepare the same tax forms for both
can use tax preparation software for state taxes,
but can't for federal taxes
must prepare different forms for each type of
government (if your state requires it) on

Answers

Tax prep software can be used for federal taxes but not always for state taxes, which may require separate forms.

While documenting your government and state charges, you have a couple of choices for how to plan and submit them. One choice is to involve charge planning programming for government charges, which can simplify the cycle and more smoothed out.

In any case, you for the most part can't involve a similar programming for state charges, as each state has its own expense code and necessities.

All things being equal, you might have to set up your state burdens independently, either by finishing up paper structures or utilizing separate duty readiness programming planned explicitly for your state.

A few states bring concurrences with specific expense programming suppliers to the table free or limited programming to occupants, so it merits checking with your state's duty position to see what choices are accessible to you.

It's critical to take note of that while government and state burdens frequently require comparative data, they might require various structures and estimations, so giving close consideration to the particular prerequisites for each kind of tax is significant.

Furthermore, on the off chance that you live in an express that doesn't have a personal expense, you may just have to record a government expense form.

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Frugala is pleased when Sylvester puts $2000 into 10-year state bonds and $3000 into 5-year AAA rated bonds in steady hardware, inc. He buys the four state bonds at a 5% coupon rate and the three steady hand bonds at a 6.5% rate. Sylvester also buys two $500 bonds from a high tech firm at 7%, due in three years, at a total discount of $50.

1. What is the maturity of each of the three bond groups Sylvester buys?

2. What are the coupon rates?

3. What are the par values?

4. Which of Sylvester’s new investments are municipal bonds?

5. Which ones are corporate bonds?

6. For which bond purchase did Sylvester probably consult Standard & Poor?

Answers

State, AAA rated and High tech firm bonds have maturity of 10years, 5years and 3 years respectively.

Understanding Bonds and their Maturity

Bond is a financial instrument that represents a debt obligation. When you purchase a bond, you are essentially lending money to the issuer (which can be a government, corporation, or other entity) in exchange for regular interest payments and the repayment of the principal amount at a specified future date, known as the maturity date.

1. Maturity of Each Bond Group:

- State bonds: The state bonds have a maturity of 10 years.

- AAA rated bonds: The AAA rated bonds have a maturity of 5 years.

- High tech firm bonds: The high tech firm bonds have a maturity of 3 years.

2. Coupon Rates:

- State bonds: The state bonds have a 5% coupon rate.

- AAA rated bonds: The AAA rated bonds have a 6.5% coupon rate.

- High tech firm bonds: The coupon rate is not provided for the high tech firm bonds.

3. Par Values:

- State bonds: The par value of each state bond is not mentioned.

- AAA rated bonds: The par value of each AAA rated bond is not mentioned.

- High tech firm bonds: The par value of each high tech firm bond is $500.

4. Municipal Bonds:

Based on the given information, there is no mention of Sylvester purchasing any municipal bonds. Therefore, none of Sylvester's new investments are municipal bonds.

5. Corporate Bonds:

- High tech firm bonds: The high tech firm bonds are issued by a high tech firm, which indicates that they are corporate bonds.

6. Standard & Poor's Consultation:

From the information provided, there is no specific indication as to which bond purchase Sylvester consulted Standard & Poor's for.

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Please help with this problem thanks

Answers

I’m pretty sure it’s:
1.5 x 10
-15^2 +120
=-105

we want to estimate a population mean using a 99onfidence interval and a random sample of 35 individuals. what is the critical t-score? group of answer choices

Answers

Thus,  the critical t-score for a 99% confidence interval with a sample size of 35 individuals is 2.728.

To calculate the critical t-score for a 99% confidence interval with a sample size of 35 individuals, we first need to determine the degrees of freedom (df) using the formula (n-1). In this case, df = 34.

Next, we need to find the t-value for the upper and lower tails of the distribution. Since we are looking for a 99% confidence interval, we need to divide the significance level (alpha) by 2 to get 0.005 for each tail.

Using a t-distribution table or calculator with 34 degrees of freedom and a probability of 0.005 in each tail, we find the critical t-value to be approximately 2.728.

Therefore, the critical t-score for a 99% confidence interval with a sample size of 35 individuals is 2.728.

This means that if we calculate the sample mean and construct a confidence interval using this t-value, we can be 99% confident that the true population mean falls within that interval.

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Please help

5. The following two-way table contains information about the
number of right-handed and left-handed pupils in year 7 and
year 8. Find the probability that a student chosen at random is
left-handed.
Year 7
Year 8
Total
Left-Handed
10
14
24
Right-Handed
20
15.72
35.72
Total
200
220
84648

Answers

The probability that a student chosen at random is left-handed is 40%

How to calculate the probability

From the given two-way table, we can see that the total number of left-handed students is:

10 + 14 = 24

And the total number of students is:

20 + 10 + 14 + 16 = 60

Therefore, the probability that a student chosen at random is left-handed is:

P(left-handed) = 24/60

Simplifying this fraction by dividing both the numerator and the denominator by 12, we get:

P(left-handed) = 2/5

P(left-handed) ≈ 0.40 or 40.%

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if the point in the upper left corner of the scatterplot is removed, what will happen to the correlation (r) and the slope of the line of best fit (b)?

Answers

The answer is A) i.e. Both will increase.

If the point in the upper left corner of the Explanatory variable versus the Response variable scatterplot is removed, the correlation (r) and the slope of the line of best fit (b) will change.

In a data graph or dataset you're dealing with, an outlier is a data point that is unusually high or unusually low in comparison to the closest data point and the rest of the nearby coexisting values. if the point is an outlier, removing it will increase the correlation (r) and the slope of the line of best fit (b).

Therefore, the answer is A) Both will increase.

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Given question is incomplete, the complete question is below

If the point in the upper left corner of the Explanatory variable versus the Response variable scatterplot shown below is removed, what will happen to the correlation (r) and the slope of the line of best fit (b) ?

Possible answers

A) Both will increase

B) r will increase and b will decrease

C) They will not change

D) r will decrease and b will increase

E) Both will decrease

If P and Q are different points in a plane, the set of all points in this plane that are closer to P than to Q is (A) the region of the plane on one side of a line (B) the interior of a square (C) a wedge-shaped region of the plane (D) the region of the plane bounded by a parabola (E) the interior of a circle

Answers

The set of all points in a plane that are closer to point P than to point Q is the interior of a circle.

To understand why this is the case, imagine drawing two circles centered at P and Q with radii equal to the distance between P and Q. These circles will intersect at two points, which we'll call A and B. Any point outside of these two circles will be closer to either P or Q than the other point.

Now, imagine drawing a third circle centered at the midpoint of segment AB with a radius equal to half the distance between P and Q. This circle will contain all the points that are closer to P than to Q. To see why, imagine drawing a line tangent to this circle at point A. Any point on the same side of this line as P will be closer to P than to Q. Similarly, any point on the opposite side of this line as Q will be closer to P than to Q.

In conclusion, the set of all points in a plane that are closer to P than to Q is the interior of a circle centered at the midpoint of segment PQ with a radius equal to half the distance between P and Q.

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In circle Q with m/PQR = 30 and PQ = 9 units, find the length of arc PR.
Round to the nearest hundredth.

Answers

The length of the arc PR of the circle comes out to be 5.71 units

Arc refers to a part of the circumference or the perimeter of a circle

Given:

m ∠PQR = 30

PQ = 9 units

PQ is the radius of the circle as it originates from the center and end lies on the circumference of the circle

Thus, r = 9 units

Length of arc = (θ ÷ 360) * 2πr

where θ is the measure of the angle subtended by the arc

r is the radius

Thus,

PR = (30 ÷ 360) * 2π9

= 1/12 * 2 * 3.14 * 9

= 1.57 * 3

= 5.71 units

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