Suppose that the next bus has not arrived 15 minutes later when a second person comes along. What is the probability that the newcomer will have to wait at least 15 more minutes?

Can this be interrupted $\displaystyle P(T>30|T>15)\text{?}$

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- Apr 9th 2011, 02:34 PMdwsmithInterpertation
Suppose that the next bus has not arrived 15 minutes later when a second person comes along. What is the probability that the newcomer will have to wait at least 15 more minutes?

Can this be interrupted $\displaystyle P(T>30|T>15)\text{?}$ - Apr 9th 2011, 08:19 PMSambit
Yes it can be if the underlying distribution can be though of a Poisson distribution. This is due to its memorylessness property.