10.116 Multiple choice: Alcoholism and gender Suppose that a 99% confidence interval for the difference p1 -...

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10.116 Multiple choice: Alcoholism and gender Suppose that a 99% confidence interval for the difference p1 - p2 between the proportions of men and women in California who are alcoholics equals (0.02, 0.09). Choose the best correct choice.

a. We are 99% confident that the proportion of alcoholics is between 0.02 and 0.09.

b. We are 99% confident that the proportion of men in California who are alcoholics is between 0.02 and 0.09 larger than the proportion of women in California who are.

c. We can conclude that the population proportions may be equal.

d. We are 99% confident that a minority of California residents are alcoholics.

e. Since the confidence interval does not contain 0, it is impossible that p1 = p2.

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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