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

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Statistics

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

a. Based on the results, construct and interpret a 95%confidence interval for the difference in the proportions of womenand men who exercise regularly.

b. A friend says that she believes that a higher proportion ofwomen than men exercise regularly. Does your confidence intervalsupport this conclusion? Explain.

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