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GATE Mechanical Engineering(ME) 2011 Solved Paper

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Question : 29

Total: 65

Cars arrive at a service station according to Poisson’s distribution with a mean rate of 5 per hour. The service time per car is exponential with a mean of 10 minutes. At steady state, the average waiting time in the queue is

10 minutes
20 minutes
25 minutes
50 minutes

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