Along with exam scores, the instructor also collected data concerning employment status of the sample of 45 World Campus students. In that sample of 45 students, 32 students reported they were employed full-time.

B. What sample size would be necessary to construct a 95% confidence interval to estimate the proportion of all World Campus students who are employed full-time with a margin of error of 3%? You will need to do hand calculations. Show all of your work.