What is the total time spent in the system by all vehicles

Reference no: EM13297677

Vehicles arrive at a toll bridge at a rate of 420 veh/hr (the time between arrivals is exponentially distributed). Two toll booths are open and each can process arrivals (collect tolls) at a mean rate of 12 seconds per vehicle ( the processing time is also exponentially distributed). What is the total time spent in the system by all vehicles in a 1 hour period?

Reference no: EM13297677

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