Customers use an automatic teller machine at an average rate of 15 per hour.  What is the probability that exactly 12 will use the machine in the next hour

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 7ECP: You draw one card at random from a standard deck of 52 playing cards. What is the probability that...
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Customers use an automatic teller machine at an average rate of 15 per hour.  What is the probability that exactly 12 will use the machine in the next hour?

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