Problem 15. (2 points) A 99% confidence interval for the mean u is calculated to be from 14.9 to 20.8. What is the margi

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Problem 15 2 Points A 99 Confidence Interval For The Mean U Is Calculated To Be From 14 9 To 20 8 What Is The Margi 1 (30.89 KiB) Viewed 87 times

Problem 15. (2 points) A 99% confidence interval for the mean u is calculated to be from 14.9 to 20.8. What is the margin of error? O A. 2.95 B. 5.9 C. 0.99 D. Impossible to tell If the confidence level were reduced to 90%, the margin of error would be O A. smaller B. the same C. larger D. Impossible to tell Note: You can earn partial credit on this problem. preview answers