Solve the Problem $\mu _ { ,}$ On an Aptitude Test Is from 60 to 66

Multiple Choice

Solve the problem.
-Based on a sample of size 41, a 95% confidence interval for the mean score of all students, $\mu _ { ,}$ on an aptitude test is from 60 to 66. Find the margin of error.

A) 3.0
B) 0.92
C) There is not enough information to find the margin of error.
D) 6