Question

In a random sample of 800 men aged 25 to 35 years, 24% said they live with one or both parents. In another sample of 850 women of the same age group, 18% said that they live with one or both parents.
a. Construct a 95% confidence interval for the difference between the proportions of all men and all women aged 25 to 35 years who live with one or both parents.
b. Test at a 2% significance level whether the two population proportions are different.
c. Repeat the test of part b using the p-value approach.


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  • CreatedAugust 25, 2015
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