Question

A survey is conducted to determine the percentage of students at state universities who change their major at least once. In a study of 100 students 78% indicated that they graduated with a major different from the one with which they entered college. Determine a 90% confidence interval for the percentage of students who change their major.

Answer 1

Explanation:

Confidence Level - "P" values

90% 1.645

Confidence Interval - "P" values

(0.7119 , 0.8481 )