Question: HDFC Bank has started a drive-through window for service. It is estimated that customers will arrive at the rate of 20 per hour. The service

HDFC Bank has started a drive-through window for service. It is estimated that customers will arrive at the rate of 20 per hour. The service person can handle customers at the rate of one every two minutes. Assuming arrivals follow Poisson distribution and service follows Exponential distribution. Find the following: a) Service person utilization b) Average number in the waiting line C) Average number in the system d) Average waiting time in line e) Average waiting time in the system, including service
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