作者wolf0000 (小狼)
看板Grad-ProbAsk
標題[理工] [機率] 結合機率
時間Mon Sep 20 14:42:51 2010
Given three independent random variables,each uniformly distributed over
the interval 0 to 1. What is the probability that they are within a distance
of 1/2 of each other?
請問這題該怎麼思考? 3個變數的joint機率好容易搞混....
答案是1/2。
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推 lmvue:用秩序統計量求y3-y2<1/2及y2-y1<1/2的機率 09/20 20:13
推 broodstare:原PO是要考通訊所吧 09/21 00:11
推 pudding327:不是直接用秩序統計量Y3-Y1<1/2步就好了嗎?! 09/21 14:02
推 lmvue:樓上的y3-y2<1/2及y2-y1<1/2與Y3-Y1<1/2有一樣嗎? 09/24 15:26