41. During the period of time that a local university takes phone-in registrations, calls come in at

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41. During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes.

a. What is the expected number of calls in one hour?

b. What is the probability of three calls in five minutes?

c. What is the probability of no calls in a five-minute period?

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Essentials Of Statistics For Business And Economics

ISBN: 9780324568608

5th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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