Question: FGB Bank is considering opening a drive-through window. Management estimates that customers will arrive at a rate of 15 per hour, the teller staffing the

FGB Bank is considering opening a drive-through
FGB Bank is considering opening a drive-through window. Management estimates that customers will arrive at a rate of 15 per hour, the teller staffing the window can serve customers at a rate of 20 per hour. Assume Poisson arrival and exponential service. Part a: What is the utilization (p) Part b: What Percentage of time the teller is free Parte What is the Probability of 5 customers in the system Part d: What is the average number in the system Parte: What is the Average waiting time in system

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