作者posutive (我是有壳蜗牛)
看板Statistics
标题[请益] 急问一个题问...攸关考试
时间Sat Jun 3 19:08:26 2006
是Wackerly.Mendenhall.Scheaffer第六版高统的题目...
题目是...
Suppose that Y1,Y2,.....,Yn(1,2,...n是下标)denote a random sample from a
Poisson distribution with mean λ.Find the MVUE of P(Yi=0)=e^-λ.
我们老师有给提示...
提示一:Make use of the Roa-Blackwell theorem
提示二:说需要用到indicater function
麻烦各位大大了!!!
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