SOLUTION: A 95% confidence interval for the mean of a normal population is found to be 13.2 < µ < 22.4. What is the margin of error?
A. 4.6
B. 4.4
C. 4.2
D. 5.6
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Question 939439: A 95% confidence interval for the mean of a normal population is found to be 13.2 < µ < 22.4. What is the margin of error?
A. 4.6
B. 4.4
C. 4.2
D. 5.6
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
= 4.6
and...checking
(22.4-4.6) = 17.8)
CI: 17.8-4.6 < µ < 17.8+4.6
CI: (13.2, 22.4)
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