What is the expected time of the next bus

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Buses arrive to a bus stop according to an exponential distribution with rate λ = 4 buses/hour. If you arrived at 8:00 am to the bus stop, (a) What is the expected time of the next bus? (b) Assume you asked one of the people waiting for the bus about the arrival time of the last bus and he told you that the last bus left at 7:40 am. What is the expected time of the next bus?

Reference no: EM132581504

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