機率 指數分佈
http://imgur.com/a/pqas0
想請問解答第一行的min(Y1,Y2)~E(2λ), 我知道指數分佈代表possion process 事件發生的時間差, 雖然用數學的方法推導出同樣的結果
http://imgur.com/a/HqjVC
但是還是不太明白為什麼min(Y1,Y2)的平均時間差會減少一半, 是因為Y1,Y2是i.i.d.所以最小值就會減少一半嗎?
請各位幫忙解答 感謝~
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