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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

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.

Male Policy Holders:

Single

Married

Sample size

400

900

No. Making claims

76

90

  1. Conduct a hypothesis test to determine whether there is a difference in proportion of claims between single and married male policy holders. Use a 0.05 level of significance.
  2. [Include calculation and statement]Provide a 95% confidence interval for the difference between the proportions for the two populations.

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