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 nį = 597 n2 = = 780 Number making claims 89 Number making claims = 115 %3D a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) We - Select your answer - v 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.

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 nį = 597 n2 = = 780 Number making claims 89 Number making claims = 115 %3D a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) We - Select your answer - v 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.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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
597
n2 =
780
%3D
Number making claims
89
Number making claims
115
a. Use a =
0.05. Test to determine whether the claim rates differ between single and married
male policyholders.
z-value
(to 2 decimals)
p-value
(to 4 decimals)
We
- Select your answer - v 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.

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