Differences in Insurance Claims Based on Marital Status. A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Single Policyholders n1 5 400 Number making claims 5 76 Married Policyholders n2 5 900 Number making claims 5 90 a. Use a = .05. Test to determine whether the claim rates differ between single and married male policyholders. b. Provid

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Differences in Insurance Claims Based on Marital Status. A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Single Policyholders n1 5 400 Number making claims 5 76 Married Policyholders n2 5 900 Number making claims 5 90 a. Use a = .05. Test to determine whether the claim rates differ between single and married male policyholders. b. Provide a 95% confidence interval for the difference between the proportions for the two populations.

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