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 Married Policyholders n 1 = 400 n 2 = 900 Number making claims = 76 Number making claims = 90 a. Use α = .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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STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

Solutions

Chapter 10, Problem 44SE
Textbook Problem

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 Married Policyholders
n1 = 400 n2 = 900
Number making claims = 76 Number making claims = 90
  1. a. Use α = .05. Test to determine whether the claim rates differ between single and married male policyholders.
  2. b. Provide a 95% confidence interval for the difference between the proportions for the two populations.

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Chapter 10 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT
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