A card is drawn at random from a deck of cards.

A) Find the probability of getting a queen.

B) What is the probability that the queen is the queen of diamonds?

Answers

Answer 1

Answer:

A) 1/13

B) 1/52 (or 1/4)

Step-by-step explanation:

52 cards in total.

4 Queens in total.

4/52=1/13

1 Queen of diamonds.

1/4 of 1/13 = 1/4×1/13 = 1/52

The second part of the question isn't overly clear, so I think that the answer is most likely 1/52, but could be 1/4.


Related Questions

math question????????

Answers

Answer:

Answer C

Step-by-step explanation:

Answer:

answer c

Step-by-step explanation:

trust me

Help me plzzzzzzzzzzzzzzzzzzz

Answers

Answer:

the answer is d.

Step-by-step explanation:

Just plug each value in the x column into the dependent variable equation and see if the dependent variable value is true.

The Corporate Lawyer, a magazine for corporate lawyers, reported that out of 200 firms with employee stock ownership plans, 150 indicated that the primary reason for setting up the plan was tax related. Develop a 90% confidence interval for the population proportion of all such firms with this as the primary motivation. (2 points) (Answers should be in percentage form. Round answers to 2 decimal places)

Answers

Answer:

The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which

z is the z-score that has a p-value of [tex]1 - \frac{\alpha}{2}[/tex].

The Corporate Lawyer, a magazine for corporate lawyers, reported that out of 200 firms with employee stock ownership plans, 150 indicated that the primary reason for setting up the plan was tax related.

This means that [tex]n = 200, \pi = \frac{150}{200} = 0.75[/tex]

90% confidence level

So [tex]\alpha = 0.1[/tex], z is the value of Z that has a p-value of [tex]1 - \frac{0.}{2} = 0.975[/tex], so [tex]Z = 1.645[/tex].

The lower limit of this interval is:

[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 - 1.645\sqrt{\frac{0.75*0.25}{200}} = 0.6996[/tex]

The upper limit of this interval is:

[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 + 1.645\sqrt{\frac{0.75*0.25}{200}} = 0.8004[/tex]

As percent:

0.6996*100% = 69.96%

0.8004*100% = 80.04%.

The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).

Need help with this question ‍♀️

Answers

Answer: f (t) = 200 . 0.88t =

Let's solve for f.

ft=(200)(0.88)t

Step 1: Divide both sides by t.

ft

t

=

176t

t

f=176

Answer:

f=176

Step-by-step explanation:

Helen rented a kayak at the lake there is a charge of $6 as an initial fee and then $3 an hour for every hour that she uses the kayak if the total charge is $21 how many hours did she kayak

Answers

Answer:

Helen kayaked for five hours.

Step-by-step explanation: First subtract the initial fee ($6.00) from the total charge ($21), $21 - $6 = $15. Now, divide the $15 she was charged for kayaking by $3 (because it costs 3 bucks an hour to kayak plus the 6 buck initial fee.) 15 divided by 3 = 5. So she kayaked for 5 hours.

what is the volume of the composite figure page 512 chapter 11 4

Answers

The answer is 36. Find the volume of each rectangular prism forts by multiplying length by width by height, then add them all together

30 points!!!!!! please help quick!!!!

Answers

Answer:

Attachment: 1 Image

Step-by-step explanation:

The answer is B I think

How many solutions does the equation y + 3y - 6 = -2 + 4y + 4 have?

A. One solution
B. no solution
C. infinite solutions

Answers

[tex]\huge{ \mathrm{ \underline{question : }}}[/tex]

How many solutions does the equation have ?

y + 3y - 6 = -2 + 4y + 4

[tex]\huge{ \mathcal{ \underline{ Answer \: \: ✓ }}}[/tex]

The given equation has

[tex] \\ \\ \\ \\ \\[/tex]

B. [tex]\boxed{No \: \: solution}[/tex]

[tex]\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\[/tex]

[tex]\#TeeNForeveR[/tex]

The summer in Maine is hot and sunny. identify the negation of the given proposition.Multiple ChoiceThe summer in Maine is hot but not sunny.It is not the case that the summer in Maine is not hot or it is not sunny.The summer in Maine is either not hot or it is not sunny.The summer in Maine is not hot but sunny.

Answers

Answer:

The summer in Maine is either not hot or it is not sunny.

Step-by-step explanation:

Suppose we have two events, A and B.

The negation of A and B is not A or not B.

The summer in Maine is hot and sunny.

Negation of hot an sunny is not hot or not sunny, so the correct option is:

The summer in Maine is either not hot or it is not sunny.

Find the derivative of y=2x^2-3x+1 and the slope of the curve at the point where x=3

Answers

The slope of the tangent line to y(x) at any given x is equal to the derivative dy/dx at that point. Differentiate to get

[tex]\dfrac{\mathrm dy}{\mathrm dx}=\boxed{4x-3}[/tex]

and evaluate it at x = 3 to get the slope, 4•3 - 3 = 9.

The following data values represent a population. What is the variance of the
values?
6, 10, 14,2
A. 16
B. 8
C. 10
D.20

Answers

Answer:

D is the correct answer.......

A ladder that is 15 feet long is leaning against the side of a building. If the angle formed between the ladder and the ground is 70 degrees, how far is the bottom of the ladder from the building?

Answers

Answer:

need help too

Step-by-step explanation:

Answer:

5.13 feet...take the horizontal component using given data..

Help me out please ???

Answers

9514 1404 393

Answer:

  (1, 2)

Step-by-step explanation:

PR and QR are vertical and horizontal line segments, respectively. Then ΔQPR is a right triangle, and segment PQ is the hypotenuse. As such, segment PQ is also a diameter of the circumcircle, and its midpoint is the circumcenter.

  Circumcenter = (P+Q)/2 = ((4, 0) +(-2, 4))/2 = (2, 4)/2

  Circumcenter = (1, 2)

Show how you use the additive inverse to solve the following.
1. 8-9= 8 + (-9) =
2. +5 - (+14) =
4. -10 - (-9) =
3. -23 - (+10)-(-4) =
6. 16 - (+16) =
5. (+17)-(-20) -(+12) =
8. 5-(+7) -(-8)-3-(-6) =
7. - 200-(-120) -- 25 =
10.-18+ (-22) - (-31) =
9. 53-(-17) + (-6) =​

Answers

Answer:

1.8-9=8+(-9)=?

2.+5-(14)= -9

3. -10-(-9)= -1

6.16-(+16)= 0

5.(+17)-(-20)-(12)= 25

8.5-(+7)-(-8)-3-(6)=9

7.-200-(-120)-25=105

10.-18+(-22)-(-31)=9

9.53-(-17)+(-6)=64

that's my answer

\sqrt[4]{2}=2^{\frac{1}{4}}

Answers

Answer:

[tex] \sqrt[4]{2} = 2 ^{ \frac{1}{4} } = 1.189207[/tex]

Answer:

True: Both sides are equal

Step-by-step explanation:

1. [tex]\sqrt[4]{2}=2^{\frac{1}{4}}[/tex]  

2. [tex]2^\frac{1}{4}=2^\frac{1}{4}[/tex]

3. [tex]\frac{1}{4} = \frac{1}{4}[/tex]  

They are Equal, So it true

So there are infinitely many solutions.

PLEASE ANSWER!!! Express tan R as a fraction in simplest terms.

Answers

Answer:

tan R = 9/19

............

The value of the trigonometric relation tan R = 9/19

What are trigonometric relations?

Trigonometry is the study of the correlations between triangle angles and side lengths.

Sine, cosine, tangent, cosecant, sec, and cotone are the six trigonometric functions.

Let the angle be such that sin = opposed to the hypotenuse, cos = next to the hypotenuse, and tan = opposite to the adjacent. Cosec = 1/sin, sec = 1/cos, cot = 1/tan.

Given the data,

Let the triangle be denoted by the symbol RST.

Now, the triangle's other side ST equals nine units.

The triangle's base, RS, is equal to 19 units.

Moreover, the trigonometric relationship is tan R, where R has a value of

The result of substituting the values in the equation is

According to the trigonometric relationship, tan equals opposite or adjacent.

Tan R = ST / RS is the result of simplifying the equation.

tan R = 9 / 19

The trigonometric relationship is therefore tan R = 9/19.

Go here to find out more about trigonometric relationships.

https://brainly.com/question/14746686

#SPJ2


Find the volume of a cube of edge 20 cm

Answers

Answer:

8000cm^3

Step-by-step explanation:

edge(a)= 20cm

volume of cube = a^3

= 20^3

=8000 cm^3

The mean temperature for the first 7 days in January was 3 °C.
The temperature on the 8th day was 2 °C.
What is the mean temperature for the first 8 days in January?

Answers

[tex]m = \frac{a_1 + a_2 + ... + a_n}{n}\\~\\m = \frac{3 * 7 + 2}{8} = \frac{21 + 2}{8} = \frac{23}{8} = 2,875[/tex]

Answer: 2,875.

The graph of a proportional relationship and an equation are shown.

What is the greater unit rate?

Answers

Answer:

Graph has the greater unit rate.

Step-by-step explanation:

From the graph attached,

Since, graph shows the proportional relationship,

y ∝ x

y = kx

Here, k = unit rate

If the line given in the graph passes through (0.2, 1.5)

Slope of this line will be,

k = [tex]\frac{1.5}{0.2}[/tex]

k = 7.5

Therefore, unit rate = 7.5

Equation of the line given in the question is,

[tex]y=\frac{11}{2}x+3[/tex]

Comparing this equation with the y-intercept form of the equation,

[tex]y=mx+b[/tex]

Slope of this line 'm' = [tex]\frac{11}{2}[/tex]

                                  = 5.5

Unit rate of the given equation = 5.5

Therefore, graph has the greater unit rate.

A group of students are surveyed about which movie they prefer.
movie a :14
movie b : 9
movie c : 5
movie d : 3

What is the probability that a student prefers Movie A?

Answers

Needs more data. Is there more to the problem?

What would be x please help me

Answers

Answer:

[tex]18.83[/tex]

Step-by-step explanation:

For right triangles only, the tangent of an angle is equal to its opposite side divided by its adjacent side.

Therefore, we have the equation:

[tex]\tan 33^{\circ}=\frac{x}{29},\\x=29\tan 33^{\circ}\approx \boxed{18.83}[/tex]

Which of the following coordinates is located in Quadrant I?

(-3,-4)
(-1,2)
(4,6)
O
(2,-1)

Answers

Answer:

(4,6)

Step-by-step explanation:

quadrant 1 always has positive coordinates so the only one with all positive coordinates is (4,6)

si tengo 6 burros regalo 3 y me dan 3 cuanto tengo

Answers

Answer:

6

Step-by-step explanation:

(6-3)+3=6

find 3/5% of $90,000

Answers

3/5% = 60% or 0.6

to find a percentage of something, you multiply the percentage and the number, so
60% x 90000 = 54,000

The solutions to the system is

Answers

What do you mean by the solution to the system?

Aliyah had $54 to spend on 5 bracelets. After buying them she had $4. How much did each bracelet cost? Each bracelet costs Question Blank type your answer... dollars.

Answers

$10 for each bracelet , 10x5 = 50 , 4 left over

Solve for c.
a(c+b) = d

Answers

Answer:

c = (d/a) - b

Step-by-step explanation:

a(c + b) = d

Divide both sides by a

c + b = d/a

subtract b from both sides

c = (d/a) - b

if 3/5 of a number is 2 more than 2/3 of the same number, then what is the value if the square of the number

Answers

9514 1404 393

Answer:

  900

Step-by-step explanation:

Let x represent the number. The given relationship is ...

  (3/5)x = 2 +(2/3)x

  -2 = 1/15x . . . . . . . . subtract 2+3/5x from both sides

  -30 = x . . . . . . . . . . multiply by 15

Then the square of the number is ...

  x² = (-30)² = 900

IM just a little bit slow

Answers

Answer:

71°

Step-by-step explanation:

31-3x+19x-5=90

16x=90-26

16x=64

x=4

m<R=19x-5 = 19(4)-5 = 76-5 = 71

Answer:

x = 4

∠R = 71°

Step-by-step explanation:

COMPLEMENTARY ANGLES: TWO ANGLES WITH A SUM OF 90°.

[tex]31 - 3x + 19x - 5 = 90[/tex]

To make this problem easier to solve, we can combine like terms.

[tex]26 + 16x = 90.[/tex]

Now, we can proceed.

First, subtract 26 from 26 and 90.

[tex]26 - 26 = 0.[/tex] (cancels itself out).

[tex]90 - 26 = 64.\\[/tex]

Now, we are left with 16x = 64.

Lastly, we divide the number in front of the variable by the answer.

[tex]64/16 = 4[/tex]

Therefore, the value of x is 4.

-------------------------------------------------------------------------------------------------------------

Now that we have the value of x, we can use this value to replace the variable (x).

[tex]19x - 5[/tex]

[tex]19 * 4 - 5 = 71.[/tex]

Therefore, the value of ∠R is 71°.

Please answer this ASAP. I really need it and please explain your answer
No links please

Answers

Answer:

31 square units

Step-by-step explanation:

The 4 sectors to be cut out are 4 quarters of a circle = 1 full circle

Length of square = 12 units

The radius (r) of the circle = ½ of the length of the square = ½(12) = 6 units

Area of the shaded region = area of the square - area of the circle/4 sectors)

= s² - πr²

s = 12 units

r = 6 units

Plug in the values

Area of the shaded region = 12² - π*6²

= 144 - 113.1

≈ 31 square units (nearest square units)

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