Suppose that when a grocery store has 3 cashiers working during its afternoon rush period, a customer

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Suppose that when a grocery store has 3 cashiers working during its afternoon rush period, a customer waits 8 minutes on average to be served.
If there are 5 cashiers, what is the probability a customer will wait less than 5 minutes?

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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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Question Posted: Apr 05, 2016 06:33 AM

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Suppose that when a grocery store has 3 cashiers working during its afternoon rush period, a customer

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Elementary Statistics

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