Mathematics, 07.11.2019 20:31 nurikchan

The time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of 21 minutes. (a) what is the probability that you wait longer than one hour for a taxi? (b) suppose you have already been waiting for one hour for a taxi, what is the probability that one arrives within the next 10 minutes? round your answers to 4 decimal places.

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