Smartphones. Refer to Problem 13. a. Find a 99% confidence interval for the difference, p1 p2,

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Smartphones. Refer to Problem 13.

a. Find a 99% confidence interval for the difference, p1 − p2, between the proportions of men and women smartphone owners.

b. Interpret your answer in part

(a) in terms of the difference in percentages of men and women smartphone owners.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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