Question

Do not answer if you are unsure.

A 98% confidence interval is found to be (50, 60). What is the margin of error?
A. 4.9
B. 9.8
C. 10
D. 5

Answer 1

D. 5

Explanation:

Mean: (50+60)/2

110/2

55

Margin of error:

60 - 55

5