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Exercise A random sample of 150 men found that 88 of the men exercise regularly, while a random ...

Exercise A random sample of 150 men found that 88 of the men exercise regularly, while a random sample of 200 women found that 130 of the women exercise regularly.

a. Based on the results, construct and interpret a 95% confidence interval for the difference in the proportions of women and men who exercise regularly.
b. A friend says that she believes that a higher proportion of women than men exercise regularly. Does your confidence interval support this conclusion? Explain.

Textbook

Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

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