STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Chapter 5, Problem 72SE

Customer arrivals at a bank are random and independent; the probability of an arrival in any one-minute period is the same as the probability of an arrival in any other one-minute period. Answer the following questions, assuming a mean arrival rate of three customers per minute.

  1. a. What is the probability of exactly three arrivals in a one-minute period?
  2. b. What is the probability of at least three arrivals in a one-minute period?
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Chapter 5 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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