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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
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 44.5 milligrams. Assume the population is normally distributed and the population standard deviation is 6.3 milligrams. At a = 0.04, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and Ha. Choose the correct answer below. A. Ho: #44.5 Ha=44.5 C. Ho: H=45 Ha: #45 E. Ho: 44.5 Ha: >44.5 (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.) OA. The critical values are OB. The critical value is B. Ho: #45 H: =45 D. Ho: 45 Ha: >45 OF. Ho: =44.5 Ha: #44.5
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