A 95% confidence interval for a 40% approval rating with a 3% margin of error would be
A)37% to 40%.
B)37% to 43%.
C)38.5% to 41.5%.
D)40% to 43% .

Name: A 95% confidence interval for a 40% approval rating with a 3% margin of error would be A)37% to 40%. B)37% to 43%. C)38.5% to 41.5%. D)40% to 43% .
Brand: Quizplus
Rating: 4.8 (34 reviews)

Question

Quizplus · Accepted Answer

A 95% confidence interval with a 40% approval rating and a 3% margin of error means the interval extends 3% above and below the approval rating, resulting in a range from 37% to 43%.

A 95% Confidence Interval for a 40% Approval Rating with a 3