TABLE 8-11
A university wanted to find out the percentage of students who felt comfortable reporting cheating by their fellow students. A survey 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 8-11, it is possible that the 99% confidence interval calculated from the data will not contain the proportion of student population who feel comfortable reporting cheating by their fellow students.

Question

Quizplus · Accepted Answer

Since we do not know the actual proportion of the whole student population who feel comfortable reporting cheating, there is always a chance that the confidence interval calculated from the sample may not contain the true proportion. However, with a 99% confidence interval, we can say that we are 99% confident that the true proportion lies within the interval calculated from the sample data.

TABLE 8-11 A University Wanted to Find Out the Percentage of Students