Exhibit 5-15

Multiple Choice

Exhibit 5-15.A bank manager estimates that an average of two customers enter the tellers' queue every five minutes.Assume that the number of customers that enter the tellers' queue is Poisson-distributed. Refer to Exhibit 5-15.What is the probability that exactly seven customers enter the queue in a randomly selected 15-minute period?

A) 0.0034
B) 0.1033
C) 0.1377
D) 0.1606