Suppose that 83% of college men and 80% of college women were employed last summer. A sample survey interviews SRSs of 300 college men and 300 college women. The two samples are independent.
What is the approximate distribution of the proportion of women who worked last summer? What is the approximate distribution of the proportion of men who worked?
The survey wants to compare men and women. What is the approximate distribution of the difference in the proportions who worked, ?