A major cell phone service provider has determined that the number of minutes that its customers...
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A major cell phone service provider has determined that the number of minutes that its customers use their phone per month is normally distributed with a mean equal to 440 minutes with a standard deviation equal to 143 minutes. The company is thinking of charging a lower rate for customers who use the phone less than a specified amount. If it wishes to give the rate reduction to no more than 2 percent of its customers, what should the cut-off be? About 146 minutes About 734 minutes About 297 minutes About 154 minutes About 87 minutes A major cell phone service provider has determined that the number of minutes that its customers use their phone per month is normally distributed with a mean equal to 440 minutes with a standard deviation equal to 143 minutes. The company is thinking of charging a lower rate for customers who use the phone less than a specified amount. If it wishes to give the rate reduction to no more than 2 percent of its customers, what should the cut-off be? About 146 minutes About 734 minutes About 297 minutes About 154 minutes About 87 minutes
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Related Book For
Statistics for Managers Using Microsoft Excel
ISBN: 978-0133130805
7th edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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