作者dounts (忘记过去)
看板Statistics
标题[问题] possion 的平均值问题?
时间Wed Aug 6 00:03:16 2008
The number of eggs laid by some aquarium fish has a Poisson
distribution with parameter λ. Each egg survives independently of
anything else with probability p. Given that the number of survived
eggs is S find the expected number of eggs produced by the fish.
Can you give an intuitive explanation of your result?
这是我们老师出的题目 实在没什麽 idea
有人可以解出来吗 谢谢......
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※ 编辑: dounts 来自: 64.131.239.102 (08/06 00:05)
1F：→ clickhere:p*S is the expected number of eggs 08/06 03:17
2F：→ clickhere:Conditional independent. 08/06 03:18