Two different simple random samples are drawn from two different populations. The first sample consists of 20 people with 10 having a common attribute. The second sample consists of 2000 people with 1404 of them having the same common attribute.
1. Perform a hypothesis test of p1 = p2 with a 5% significance level (95% confidence level).
2. Obtain a 95% confidence interval estimate of p1 - p2. Do you come up with the same conclusion for Question 21? Why or why not?
95% confidence interval estimate of p1 - p2is,