A post oce has 2 clerks. Alice enters the post oce while 2 other customers, Bob and
Chapter 5, Problem 38(choose chapter or problem)
A post oce has 2 clerks. Alice enters the post oce while 2 other customers, Bob and Claire, are being served by the 2 clerks. She is next in line. Assume that the time a clerk spends serving a customer has the Exponential() distribution. (a) What is the probability that Alice is the last of the 3 customer to be done being served? Hint: No integrals are needed. (b) What is the expected total time that Alice needs to spend at the post office.
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