Question

Given two independent random samples with the following results:

n1=227

x1=114

n2=103

x2=80

Use this data to find the 90% confidence interval for the true difference between the population proportions.Copy

Step 1 of 4:

Find the values of the two sample proportions,  pˆ1 and pˆ2. Round your answers to three decimal places.

Step 2 of 4:

Find the critical value that should be used in constructing the confidence interval.

Step 3 of 4:

Find the value of the standard error. Round your answer to three decimal places.

Step 4 of 4:

Construct the 90% confidence interval. Round your answers to three decimal places.

Answer 1