A company that makes cola drinks states that the mean caffeine content per 12-ou

Question

A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 40 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 41.6 milligrams with a standard deviation of 7.9 milligrams At alpha = 0.05, can you reject the company's claim? Complete parts (a) through (e). (a) Identify H_0 and H_a. Choose the correct answer below. A. H_0: mu greaterthanorequalto 40 H_a: mu

Explanation / Answer

Solution:-

a) option B.

Ho: u = 40

Ha: u # 40

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