mngrams. At =0.03, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and Ha. Choose the correct answer below. CA. H μ= 50 Ha u#50 O B. Ho: µ# 50.7 Ha: u = 50.7 OC. Ho: H#50 H p= 50 O D. Ho: µ2 50 H3 µ< 50 O E. Ho: H= 50.7 Ha u#50.7 OF Ho: H2 50.7 H: µ< 50.7 (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 >
mngrams. At =0.03, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and Ha. Choose the correct answer below. CA. H μ= 50 Ha u#50 O B. Ho: µ# 50.7 Ha: u = 50.7 OC. Ho: H#50 H p= 50 O D. Ho: µ2 50 H3 µ< 50 O E. Ho: H= 50.7 Ha u#50.7 OF Ho: H2 50.7 H: µ< 50.7 (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 >
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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 50.7 milligrams. Assume the population is normally distributed and the population standard deviation is 7.9 milligrams. At \(\alpha = 0.03\), can you reject the company’s claim? Complete parts (a) through (e).
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**(a) Identify \(H_0\) and \(H_a\). Choose the correct answer below.**
- A. \(H_0: \mu = 50\); \(H_a: \mu \neq 50\) (Correct answer selected)
- B. \(H_0: \mu \neq 50.7\); \(H_a: \mu = 50.7\)
- C. \(H_0: \mu = 50\); \(H_a: \mu > 50\)
- D. \(H_0: \mu \leq 50\); \(H_a: \mu > 50\)
- E. \(H_0: \mu = 50.7\); \(H_a: \mu \neq 50.7\)
- F. \(H_0: \mu \geq 50.7\); \(H_a: \mu < 50.7\)
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**(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 \(\pm\) _____
- O B. The critical value is _____
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