Suppose that you were going to take a sample of Florida stud…

Questions

Suppоse thаt yоu were gоing to tаke а sample of Florida students. You were interested in estimating the proportion who had ever called/emailed/spoken with their congressmen. You were uncertain what this proportion was; however, you wanted to be 95% confident with a margin of error equal to 0.028. What sample size do you need?