arge automobile insurance company selected samples of single and married male policyholders and recorded the number who nade an insurance claim over the preceding three-year perlod. a. Use α=0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value p-value We ​
(to 2 decimals) (to 4 decimals) that there is the difference between claim rates. ​
b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number.