Question

A university financial aid office polled a random sample of 827 male undergraduate students and 764 female undergraduate students. Each of the students was asked whether or not they were employed during the previous summer. 584 of the male students and 392 of the female students said that they had worked during the previous summer. Give a 80% confidence interval for the difference between the proportions of male and female students who were employed during the summer.

Step 1 of 3 :  

Find the point estimate that should be used in constructing the confidence interval. Round your answer to three decimal places.

Step 2: Find the critical value that should be used in constructing the confidence interval.

Step 3: Find the value of the margin of error. Round your answer to six decimal places.

Step 4: Construct the 80% confidence interval. Round your answers to six decimal places

Answer 1