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 less than two customers enter the queue in a randomly selected five-minute period?
A)0.1353
B)0.2707
C)0.4060
D)0.6767

Question

Quizplus · Accepted Answer

The Answer of 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 less than two customers enter the queue in a randomly selected five-minute period?
A)0.1353
B)0.2707
C)0.4060
D)0.6767