TABLE 8-13
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."
-Referring to Table 8-13, a 90% confidence interval calculated from the same data would be narrower than a 99% confidence interval.

Question

Quizplus · Accepted Answer

A 90% confidence interval is narrower than a 99% confidence interval because a higher level of confidence requires a wider range of possible values to be included in the interval.

TABLE 8-13 A University Wanted to Find Out the Percentage of Students