[理工] 機率問題

看板Grad-ProbAsk作者 (.....)時間13年前 (2011/03/11 19:41), 編輯推噓0(0推 0噓 2→)
留言2則, 2人參與, 最新討論串3/8 (看更多)
Given the two i.i.d random variables X1,and X2,where their pds are seqarately depicted as follows. fx1(x1)= 1 1<x1<2 fx2(x2) = 0.5 2<x2<4 0 else 0 else find (a) Let the new variance be Z=x1+x2 . Fond the probability distribution of Z. 請高手幫解答...... -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.139.168.89
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03/11 20:49, , 1F
convolution一下就出來了啊
03/11 20:49, 1F
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03/11 22:42, , 2F
YA X1跟X2做摺積
03/11 22:42, 2F
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