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Question: arrival-time puzzle



Suppose a lot of busses whiz past your window. The events are IID, that
is, Independent and Identically Distributed over time. The average rate is
6 busses per hour.

Fact: At any random time, if you ask how long it has been since the last
bus, the answer is 10 minutes, on average.

Is this true???

Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen