Question

A university financial aid office polled a random sample of 528528 male undergraduate students and 651651 female undergraduate students. Each of the students was asked whether or not they were employed during the previous summer. 295295 of the male students and 463463 of the female students said that they had worked during the previous summer. Give a 80%80% confidence interval for the difference between the proportions of male and female students who were employed during the summer.

Step 1 of 4 :  

Find the values of the two sample proportions, pˆ1p^1 and pˆ2p^2. 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 4: construct the 98% confidence interval. Round to 3 decimal places

Answer 1