An Introduction to Management Science 13th Edition by David Anderson,Dennis Sweeney ,Thomas Williams ,Jeffrey Camm, Kipp Martin

تمرين 30

Use the single-channel drive-up bank teller operation referred to in Problem 1-3 to determine the probabilities of 0, 1, 2 and 3 customers in the system. What is the probability that more than three customers will be in the drive-up teller system at the same time?