SCENARIO 8-9
A university wanted to find out the percentage of students who felt comfortable reporting
cheating by their fellow students.A surveyed of 2,800 students was conducted and the
students were asked if they felt comfortable reporting cheating by their fellow students.The
results were 1,344 answered "Yes" and 1,456 answered "no".
-True or False: Referring to Scenario 8-9, a confidence interval estimate of the population
proportion would only be valid if the distribution of the number of students who feel
comfortable reporting cheating by their fellow students is normal.

Question

Quizplus · Accepted Answer

A confidence interval for a proportion does not require the population distribution to be normal; it requires a large enough sample size for the sampling distribution of the proportion to be approximately normal, which is typically satisfied by the sample size in this scenario.

SCENARIO 8-9 A University Wanted to Find Out the Percentage of Students