Exercise a Random Sample of 150 Men Found That 88

question 58

Essay

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.

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Definitions:

Warranties

Guarantees provided by the seller or manufacturer, asserting that a product will meet specified criteria of performance over a certain period, and offering remedies in case of failure.

Moral Hazard

A situation where one party engages in risky behavior or fails to act in good faith because another party bears the consequences of that behavior, often seen in insurance and financial sectors.

Incentives

Incentives or disincentives that encourage people or organizations to behave in specific manners.

Insurance Premiums

The amounts paid for insurance coverage, typically charged monthly or annually, to maintain the insurance policy.