Testing Claims Using Critical Values In Exercises 35-42, (a) write the claim mathematically and identify H, and H, (b) f

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Testing Claims Using Critical Values In Exercises 35 42 A Write The Claim Mathematically And Identify H And H B F 1 (44.72 KiB) Viewed 36 times

Testing Claims Using Critical Values In Exercises 35-42, (a) write the claim mathematically and identify H, and H, (b) find the critical values and identify the rejection regions, (c) find the standardized test statistic, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. 35. Caffeine Content in Colas 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 39.2 milligrams with a standard deviation of 7.5 milligrams. At a = 0.01, can you reject the company's claim? (Adapted from American Beverage Association)