In a random sample of 500 callers, how many are on hold for at least 4 minutes?
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In a random sample of 500 callers, how many are on hold for at least 4 minutes?
Assume the hold time of callers to General Cable is normally distributed with a mean of 3.0 minutes and a standard deviation of 0.8 minute.
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Related Book For
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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