A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 50 milligrams. You want to test this claim. During your tests, you find that a random sample of...

Extracted text: A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 50 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 48.6 milligrams. Assume the population is normally distributed and the population standard deviation is 7.9 milligrams. At a= 0.05, can you reject the company's claim? Complete parts (a) through (e). Identify the rejection region(s). Choose the correct answer below. O A. OB. C. Fail to reject Ho- Fail to reject Ho. Fail to reject Ho- Reject Ho Reject Ho Reject Ho- Reject Ho- (c) Find the standardized test statistic. (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. More Next Textbook Calculator 6:08 AM 50°F 12/6/2021 99+ O Type here to search D6 A Yovo DG521_AUX 10/05/17 Delete PrtSc Insert F12 F11 F9 F10 F7 F8 Num Loc F6 F5 F4 F1 F2 F3 Backspace & %23 6 7 081 5 3 Pn T Y. U E R + I/ * 00 1. 小 44