Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

A student was asked to find a 90% confidence interval for the proportion of stud

ID: 3368860 • Letter: A

Question

A student was asked to find a 90% confidence interval for the proportion of students who take notes using data from a random sample of size n = 83. Which of the following is a correct interpretation of the interval 0.12 < p < 0.2?

Check all that are correct.

A. The proprtion of all students who take notes is between 0.12 and 0.2, 90% of the time.

B. There is a 90% chance that the proportion of notetakers in a sample of 83 students will be between 0.12 and 0.2.

C. With 90% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.12 and 0.2.

D. With 90% confidence, the proportion of all students who take notes is between 0.12 and 0.2.

E. There is a 90% chance that the proportion of the population is between 0.12 and 0.2

Explanation / Answer

Based on the above information, option C) is Correct

With 90% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.12 and 0.2.