A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 45 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 46.2 milligrams. Assume the population is normally distributed and the population standard deviation is 6.9 milligrams. At a = 0.08, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and Ha. Choose the correct answer below. Ο Α. Ho: μ= 45 Ο Β. H μ= 46.2. Ha:H#46.2 O C. Ho: µ2 46.2 O D. Ho: µ#45 Ha:H= 45 Haiu<46.2 O E. Ho: H245 OF. Ho: H#46.2 Ha: H= 46.2 Ha: H<45 (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) O A. The critical values are + O B. The critical value is Click to select your answer(s).

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A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 45 milligrams. You want to test this claim. During your tests, you find
that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 46.2 milligrams. Assume the population is normally distributed and the population
standard deviation is 6.9 milligrams. At a = 0.08, can you reject the company's claim? Complete parts (a) through (e).
(a) Identify Ho and H. Choose the correct answer below.
OA.
O A. Ho: H= 45
Ha: H#45
B. Ho: µ= 46.2
Hai H#46.2
O C. Ho: H246.2
Ha: H<46.2
O D. Ho: H#45
Ha: µ= 45
%3!
O E. Ho: H245
Ha:H<45
O F. Ho: H#46.2
Hai H =46.2
OF.
%3D
(b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice.
(Round to two decimal places as needed.)
A. The critical values are +
O B. The critical value is.
Click to select your answer(s).
Transcribed Image Text:Question Help A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 45 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 46.2 milligrams. Assume the population is normally distributed and the population standard deviation is 6.9 milligrams. At a = 0.08, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and H. Choose the correct answer below. OA. O A. Ho: H= 45 Ha: H#45 B. Ho: µ= 46.2 Hai H#46.2 O C. Ho: H246.2 Ha: H<46.2 O D. Ho: H#45 Ha: µ= 45 %3! O E. Ho: H245 Ha:H<45 O F. Ho: H#46.2 Hai H =46.2 OF. %3D (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) A. The critical values are + O B. The critical value is. Click to select your answer(s).
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