Mathematics, 02.12.2019 22:31 HGG11

An absent-minded professor schedules two student appointments for the same time. the appointment durations are independent and exponentially distributed with the mean being thirty minutes.
the first student arrives on time, but the second student arrives five minutes late.

what is the expected value of the time between the arrival of the first student and the departure of the second student?

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An absent-minded professor schedules two student appointments for the same time. the appointment dur...