A manufacturer of bottled tea runs a promotion, where consumers can win a free bottle of tea if the cap of the bottle says "Winner.” The manufacturer claims that 1 in 5 bottles is a winner. Jack really likes the tea and has noticed that the last 10 bottles he has bought has not had a winner. Suspecting the manufacturer’s claim is false, Jack decides to select 10 bottles of tea from 10 randomly selected stores. He is surprised again when none of the 10 bottles is a winner. Assuming the manufacturer’s claim is true, Jack simulates 100 values of selecting winners in 10 bottles. The dotplot displays these simulated proportions.



Using the dotplot and the proportion of winners in Jack’s sample, is there convincing evidence that the manufacturer’s claim is wrong?

Yes; because a proportion of 0 occurred 3 out of 100 times, the sample proportion of winners is statistically significant and there is convincing evidence that the manufacturer’s claim is false.
Yes; because a proportion of more than 0 occurred 97 out of 100 times, the sample proportion of winners is statistically significant and there is convincing evidence that the manufacturer’s claim is false.
No; because a proportion of 0 occurred 3 out of 100 times, the sample proportion of winners is not statistically significant and there is not convincing evidence that the manufacturer’s claim is false.
No; because a proportion more than 0 occurred 97 out of 100 times, the sample proportion of winners is not statistically significant and there is not convincing evidence that the manufacturer’s claim is false.

Answer:

2π or 6.2831 (I don't know which since I don't know what to round to or if it is supposed to be in terms of π soooo)

Step-by-step explanation:

[tex]2\pi(1) = 2\pi = 6.2831[/tex]

Step-by-step explanation:

9 + y^2 = 49

y^2 = 40

y = √40 = 2√10

4.5/3 = 2√10/5x

22.5x = (3) 2√10

22.5x = 6√10

x = 6√10/22.5 = 3√10/11.5

Answer:

142.5cm2 if it's correct I would appreciciate a brainliest

Step-by-step explanation:

15x19=285

285/2=142.5

Answer:

142.5

Step-by-step explanation:

19 x 15 = 285

285 / 2 = 142.5

formula for area of triangle is A = height (straight line from the base to the tip, not the length of one of the sides) x length of base / 2 ( A= hb/2)

Answer:

Step-by-step explanation:

i need points lol

There are 99 students in her school.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

mpho is the 50th fastest and slowest runner in her school.

Now,

Since, mpho is the 50th fastest and slowest runner in her school.

Hence, Total number of students = (50 + 50) - 1

                                                   = 100 - 1

                                                   = 99

Thus, There are 99 students in her school.

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ2

Answer:

10

Step-by-step explanation:

Answer:

The value of the 6 in 4.601 is 10 times the value of the 6 in 95.96

Step-by-step explanation:

If it was 1/10, you would have to swich the 95.96 and the 4.601, and if it was 1, the sixes would be in the same places.

Answer:

2

Step-by-step explanation:

rate of change of Function 2 is 2

rate of change of Function 1 is 0

2 - 0 = 2

The tangent line and radius or diameter of the circle intersect at a right angle and the tangent intersects the circle at a single point only. Then the correct option is A, B, and D.

It is a locus of a point drawn an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

The tangent line and radius or diameter of the circle intersect at a right angle.

And the tangent line intersects the circle at a single point only.

The number of the tangent line depends on the point from which the tangent is drawn.

More about the circle link is given below.

https://brainly.com/question/11833983

Answer:

B im absolutely sure

Step-by-step explanation:

hope this helps:0

Answer:

3:2

Step-by-step explanation:

Answer:

3:2

Step-by-step explanation:

6 and 4 can be both divided by 2

Answer:

-10

Step-by-step explanation:

x+75+x+125=180

2x+200=180

2x=180-200

2x=-20

x=-10

Answer:

D

94

Step-by-step explanation:

Formula

SA = 2L*W + 2L*H + 2*W*H

Givens

L = 5 feet

W = 3 feet

H = 4 feet

Solution

SA = 2*5*3 + 2*5*4 + 2*3*4

SA = 30 + 40 + 24

SA = 94 ft^2

D

Answer:

Look below.

Hopefully they're right.

Step-by-step explanation:

1. m=3/1 b=6

2. m=5/6 b=-5

3. m=-3/4 b=1

Answer:

904.8cm

Step-by-step explanation:

The volume of a sphere is given as

[tex] \frac{4}{3}\pi {r}^{2} [/tex]

There is only one variable, the radius, which we are given in the problem.

since the radius is 6 cm, we can plug that in to the formula

[tex] \frac{4}{3} \pi {6}^{2} [/tex]

Put this into the calculator, and we see that the volume is 904.8cm rounded to the nearest tenth.

Answer:

y = -3x - 10

Step-by-step explanation:

Answer:

y= -3x-10

Step-by-step explanation:

To answer this question we can use this formula

y-y1 = m(x-x1) where y1 and x1 indicate the coordinates of the given point,

y-(-4) = -3(x-(-2)

y+4= -3(x+2)

y = -3x-6-4

y= -3x-10

Answer:

6x and 1x or x

Step-by-step explanation:

the highest common factor of 6x and 66xy in 6x

6x ÷ 6x = 1

66xy ÷ 6x = 11y

the lowest common factor of 6x and 66xy is 1x or x

6x÷ 1x =6

66xy÷ 1x = 66y

6x÷ x = 6

66xy ÷ x = 66y

NOTE

1x and x is the same

Answer:

x+30=90

OR

180-120=x

The measure of the angle is 60 degrees.

Step-by-step explanation:

Plug in 60 as x and it will fit each equation.

Answer:

4.71 m

Step-by-step explanation:

Using cosine rule,

[tex]x {}^{2} = 2 {}^{2} { + 3 {}^{} }^{2} - 2(2)(3) \cos(140) \\ x = \sqrt{13 - 12 \cos(140) } \\ x = 4.71m[/tex]

Answer:

Well there if you look at the choices given its only 4.71 and 8.52. According to the model is looks like we need to find the hypotnuse which is the longest lightning of any triangle. But here’s the thing, in every triangle if you add the two legs, the sum of that number has to be GREATER then the hypotnuse or it wouldn’t stick. If your dd 2+3 together you get 5. Only the last option is greater then 5. The final answer is 8.52.

Remeber, you CAN’T use the Pythagorean theroum on any triangle with out a 90 degree angle. Pythagorean Theorem only works for right triangles. This is why the first option is given to trick you.

Answer:

C

Step-by-step explanation:

400*0.213=85.2

Answer:

5

Step-by-step explanation:

Using the pythagorean theorem,

[tex]13^2=(MO)^2+12^2\\\\169 - 144 = (MO)^2\\(MO)^2=25\\\\MO = 5[/tex]

Answer: The probability of the pointer lands on red(R) both spin =

Step-by-step: The number of parts = 6

The pointer is spun twice.

To find the probability of the pointer lands on red(R) both spin.

Formula

Probability of an event = number of required outcomes ÷ the total number of outcomes.

P(A and B) = P(A)×P(B)

Now,

For one spin,

A = RED comes.

For second spin,

B = RED comes

So,

P(A) = and P(B) =

Then,

P(A and B) = × =

Hence, the probability of the pointer lands on red(R) both spin =

Answer:

Here it is. Hope it helped.  Apart from 3, 4 is also a number.

plz mark me as brainliest.

Answer:

A =  2 outcomes B = 4 outcomes C = 7 outcomes

Step-by-step explanation:

A has two outcomes because when you flip a coin you can only land on heads or tails

B has four outcomes becuase when picking a random season there are only four possible seasons to be picked.

C has seven outcomes becuase when picking a random day of the week there are only 7 possible days that can be picked,  

Answer:

x=49

Step-by-step explanation:

-202 + 4x + 6 = 0

4x =202-6=196

x=49

262

Step-by-step explanation:

in half a circle will get the answer

Answer:

HCF of 72,487 & 112 = 1

Step-by-step explanation:

i think this is the answer b/c HCF of 72 & 487 is 1 so HCF of 72,487 & 112 is 1

Answer:

initial height = 0 feet

height after 2 seconds = 32 feet

takes 3 seconds until ball hits the ground

after 2.5 seconds the ball is at 20 feet

Step-by-step explanation:

Answer:

slope= rise over run means divide rise by run

Answer:

when there is a linear equation and line. first, find where you see a point that has whole numbers. graph them or circle them. Next, go to point to pint using the lines. do not use the slanted line. go up (rise) and count how many boxes you passed (be careful it could go by 2's) and then go across to the other point (run). count how many boxes you passed. now you put the up number or rise number over the run number. Rise/run. you'll get a fraction, simplified it if needed.

or do slope form which is just find 2 points that have whole numbers. Label the first one (x1,y1) and the second one (x2,y2) the you do (Y2 - Y1) over (X2 - X1). you'll get a fraction and you'll simplified it if needed

Step-by-step explanation: