Instruction 8-19
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 Instruction 8-19,we are 99% confident that between 45.57% and 50.43% of the student population feel comfortable reporting cheating by their fellow students.

Question

Quizplus · Accepted Answer

Using a confidence interval calculation, the range of 45.57% to 50.43% is obtained. The statement "we are 99% confident" implies that this range should contain the true population percentage with a 99% probability. Therefore, the statement is true, and the answer is A.

Instruction 8-19 A University Wanted to Find Out the Percentage of Students