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 is7.9 milligrams. At a = 0.05, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and H Choose the correct answer below, O A. Ho H#50 H, u=50 O B. Ho: us 50 H u> 50 O D. Ho: H= 48.6 O C. Ho # 48.6 H u= 48.6 H, u 48.6 OF. Ho us 48.6 O E. Ho = 50 H u#50 H, u> 48.6 (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 value is O B. The critical values are t Identify the rejection region(s) Choose the correct answer below. Textbook Calculator Next 8:24 PM P Type here to search 47°F 12/5/2021 FH F10 Prisc Insert Delete FO FIR %23 13 4. 8. 9. Backspace Num Lock E Y U wats F

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A company
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).
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
(a) Identify Ho and H. Choose the correct answer below.
O A. Ho #50
Ha = 50
О В. Но рs50
Ha p> 50
O C. Ho H#48.6
H3 u= 48.6
O D. H, p= 48.6
H, p 48.6
OF H, us48.6
Ha p>48.6
O E. Ho H=50
(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 value is
O B. The critical values are +
Identify the rejection region(s). Choose the correct answer below.
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Transcribed Image Text:A company 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). 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 (a) Identify Ho and H. Choose the correct answer below. O A. Ho #50 Ha = 50 О В. Но рs50 Ha p> 50 O C. Ho H#48.6 H3 u= 48.6 O D. H, p= 48.6 H, p 48.6 OF H, us48.6 Ha p>48.6 O E. Ho H=50 (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 value is O B. The critical values are + Identify the rejection region(s). Choose the correct answer below. Textbook Calculator Next 8:24 PM P Type here to search 99+ 47°F A O 12/5/2021 Esc F2 F3 F4 Insert F5 F6 F7 F8 F9 PrtSc Delete F10 F11 F12 & 3 5 6 00 9- Backspace Num Lock E T Y U P 78 F G J. K 4. HI 44
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