Estimating the population proportion

Posted on 2013-10-16 15:49:00 in Statistics by ORSIN–PEACHES

Hewitt Associates conducted a national survey to determine the extent to which employers are promoting health and fitness among their employees. One of the questions asked was, Does your company offer on-site exercise classes? Suppose it was estimate before the study that no more than 40% of the companies would answer Yes. How large a sample would Hewitt Associates have to take in estimating the population proportion to ensure a 98% confidence in the results and to be within .03 of the true population proportion?

---

Answer Comment

No Answers Posted Yet.