SOLUTION: A 95% confidence interval for the mean of a normal population is found to be 15.6 < � < 25.2. What is the margin of error? Possible answers: A. 3.9 B. 4.8 C. 4.9

Question 948868: A 95% confidence interval for the mean of a normal population is found to be 15.6 < � < 25.2. What is the margin of error?
Possible answers:
A. 3.9
B. 4.8
C. 4.9
D. 3.7
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A 95% confidence interval for the mean of a normal population is found to be 15.6 < � < 25.2. What is the margin of error?
Possible answers:
ME = (1/2)(range of the CI) = (1/2)(25.2-15.6) = (1/2)9.6 = 4.8
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Cheers,
Stan H.
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A. 3.9
B. 4.8
C. 4.9
D. 3.7
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