You are the manager of a local bank where three tellers provide services to customers. On? average, each teller takes Four minutes to serve a customer. Customers? arrive, on? average, at a rate of 40 per hour. Having recently received complaints from some customers that they waited a long time before being? served, your boss asks you to evaluate the service system.? Specifically, you must provide answers to the following? questions:
The average utilization of the? three-teller service system is p=
What is the probability that no customers are being served by a teller or are waiting in? line?
What is the average number of customers waiting in? line?
On? average, how long does a customer wait in line before being? served?
On? average, how many customers would be at a? teller's station and in? line?