engineering recuitment AAI JE Technical Mock Test 2020-21 Industrial Engineering Operations Research Queueing Theory
Customers arrive at a ticket counter at a rate of 50 per hour and tickets are issued in the order of their arrival. The average time taken for issuing a ticket is 1 min. Assuming that customer arrivals form a Poisson process and service times are exponentially distributed, the average waiting time in queue in minutes is:
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