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

ID: 2926885 • 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 = 81. Which of the following is a correct interpretation of the interval 0.14 < p < 0.3?

Check all that are correct.

There is a 90% chance that the proportion of the population is between 0.14 and 0.3.

With 90% confidence, the proportion of all students who take notes is between 0.14 and 0.3.

The proprtion of all students who take notes is between 0.14 and 0.3, 90% of the time.

There is a 90% chance that the proportion of notetakers in a sample of 81 students will be between 0.14 and 0.3.

With 90% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.14

Explanation / Answer

Answers:

There is a 90% chance that the proportion of the population is between 0.14 and 0.3.

With 90% confidence, the proportion of all students who take notes is between 0.14 and 0.3.

The proprtion of all students who take notes is between 0.14 and 0.3, 90% of the time.