Question

A university financial aid office polled a random sample of 834 male undergraduate students and 743 female undergraduate students. Each of the students was asked whether or not they were employed during the previous summer. 477 of the male students and 351 of the female students said that they had worked during the previous summer. Give a 99% 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

step 3: find the margin/ standard of error

step 4: construct the 98% confidence interval

Answer 1

Step 4, it is 99% confidence interval