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Assume $T_1,T_2...T_{300}$ are the time one talking in the lesson before he was stopped by his teacher.$T$ are $iid$ and follow an exponential distribution with mean $exp({\theta})$ what is the probability that he will not be punished.Noted that teacher will aware that he is talking if $T_{min}\ge \frac{ln2}{300}$

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    Hence one is NOT punished if teacher catches one chatting 299 times during the lesson?2012-01-03

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