Shopping. A survey of 430 randomly chosen adults finds that 47 of 222 men and 37 of

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Shopping. A survey of 430 randomly chosen adults finds that 47 of 222 men and 37 of 208 women had purchased books online.

a) Is there evidence that the sex of the person and whether they buy books online are associated?

b) If your conclusion in fact proves to be wrong, did you make a Type I or Type II error?

c) Give a 95% confidence interval for the difference in proportions of buying online for men and women.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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Question Posted: Sep 19, 2024 02:28 PM

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Shopping. A survey of 430 randomly chosen adults finds that 47 of 222 men and 37 of

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Business Statistics

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