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[See Steps] The average life expectancy for an American female is 77.96 years with a standard deviation of 16.85 years. Because of recent corporate losses

Question: The average life expectancy for an American female is 77.96 years with a standard deviation of 16.85 years. Because of recent corporate losses In their pension fund portfolio, the company’s actuarial department took a nationwide random sample of 45 females who died In the last decade and determined the mean to be 75.41 years. At

a fifteen percent significance level test the claim that the average life expectancy of American females has significantly declined during the last decade. Assume the

population standard deviation Is known.

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Deliverable: Word Document


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