※ 引述《imundefeated (undefeatedman)》之銘言：
: suppose the times of successive failuers of a machine from a
: poisson process on [0 ,無窮大) withe parameter 入.
: what is the probability of at least one failure during the time
: period (t,t+h) h>0???
: 麻煩各位高手了
或者用原本的POISSON作也可以
要求區段為t+h - t = h
所以入調整為 入xh=入*
p(x大於等於1) = 1-p(x=0) = 1- e^(-入*)
其實意思也是指數的CDF累積到無窮大的意思
以上淺見...
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