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A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of...
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 50.4 milligrams with a standard deviation of 7.6 milligrams. At alphaequals0.05, can you reject the company's claim? Complete parts (a) through (e).
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