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The ages of MBA students at a university are normally distributed with a known population variance of 10.24. Suppose you are asked to construct a
The ages of MBA students at a university are normally distributed with a known population variance of 10.24. Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years. If a 99% confidence interval is constructed instead of a 95% confidence interval for the population mean, then _____________.
| A. | the resulting margin of error will increase and the risk of reporting an incorrect interval will increase | |
| B. | the resulting margin of error will decrease and the risk of reporting an incorrect interval will increase | |
| C. | the resulting margin of error will increase and the risk of reporting an incorrect interval will decrease | |
| D. | the resulting margin of error will decrease and the risk of reporting an incorrect interval will decrease |
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Transportation A Global Supply Chain Perspective
Authors: John J. Coyle, Robert A. Novak, Brian Gibson, Edward J. Bard
8th edition
9781305445352, 1133592961, 130544535X, 978-1133592969
