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Alenkasestr [34]
3 years ago
14

Suppose that a company claims that its chocolate bars weigh 3.2 ounces on average. The company took many large samples, and each

time the mean weight of the sample was within the 95% confidence interval. Which of the following would be a reasonable conclusion? A. The company's chocolate bars weigh fewer than 3.2 ounces on average. B. The company's chocolate bars weigh more than 3.2 ounces on average. C. The company's chocolate bars do not weigh 3.2 ounces on average. D. The company's chocolate bars weigh 3.2 ounces on average.
Mathematics
2 answers:
stiks02 [169]3 years ago
8 0

Answer:

D. The company's chocolate bars weigh 3.2 ounces on average.

Step-by-step explanation:

We are given that  a company claims that its chocolate bars weigh 3.2 ounces on average.

The company took many large samples, and each time the mean weight of the sample was within the 95% confidence interval.

Definition of 95% confidence level: 95% confidence level means a range of values that you can be 95% certain contains the true mean of the population.

Thus by considering definition we can conclude that The company's chocolate bars weigh 3.2 ounces on average.

Thus Option D is correct.

D. The company's chocolate bars weigh 3.2 ounces on average.

zmey [24]3 years ago
6 0

The company's chocolate bars weigh 3.2 ounces on average would be a reasonable conclusion.

 

The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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L.B Jhonson middle school held a track and field event during the school year. The chess club sold various drink and snack items
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allsm [11]
The correct answer is y= 0.513(1.833)^x


Explain


We will use the equation on this form

Y=ab^x

Let’s us plug in the coordinates of first point

(X, y) , ( 9, 120)

We will have

Y=ab^x

120= ab^9

Our equation for a will be

Ab^9 = 120

ab ^9 / b^9 = 120/ b^9


a = 120/ b^9

So will have


Y= 120/ b^9 • b^x

Then we will plug in coordinates for the second point


( x,y) = ( 10, 220)

We will have

Y= 120/b^9 • b^x

220 = 120/b^9 • b^10-9


220= 120b

Divide both side by 120

B= 11/6

B= 1.833333 = 1.833



Let’s plug in the value b=11/6 to our equation for a


A= 120/b^9

A= 120/ 11/6^9

A= 120/11^9/6^9


A=120 • 6^9 / 11^9

= 0.51285 which equal to 0.513



So therefore the answer is

Y= 0.513(1.833)^x


I hope this help you

:D
8 0
3 years ago
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