Two different simple random samples are drawn from two different populations. The first sample consists of

20 people with 9 having a common attribute. The second sample consists of 1900 people with 1337 of them having the same common attribute. Compare the results from a hypothesis test of p1=p2

(with a 0.05 significance level) and a 95% confidence interval estimate of p1p2.

What are the null and alternative hypotheses for the hypothesis test?

Identify the critical value(s).

Identify the test statistic.

What is the conclusion based on the hypothesis test?

The 95% confidence interval is

What is the conclusion based on the confidence interval?

How do the results from the hypothesis test and the confidence interval compare?