A student organization is trying to decide whether or not to offer more movies on campus. A random sample of students is about to be asked if they are in favor of more free movies on campus. What sample size would be needed to provide a margin of error of about 3%?
A) n = 33
B) n = 1000
C) n = 1001
D) n = 1112

Question

Quizplus · Accepted Answer

To achieve a margin of error of about 3% with a 95% confidence level, the sample size needed is approximately 1112, calculated using the formula for margin of error in proportion estimates.

A Student Organization Is Trying to Decide Whether or Not