作者cherrylala ( 爱笑的眼睛)
看板Statistics
标题[问题] 请问一题简单的证明题
时间Wed Oct 11 09:56:58 2006
sum of independent identically distributed exponential random variables
has a gamma distribution
这一题要怎麽下手??
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呵呵 我就是cherrylala 啦^^
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1F：推 xiaofen:可以由Moment generating function下笔 10/11 11:23