作者peecome (bunnyplaycat)
看板Statistics
标题[问题] 关於一题机率题目的问题~?
时间Mon Sep 4 07:50:50 2006
题目前目叙述了一堆BINARY传输的问题
他问"What is the probability that a message is accepted after it has been
sent more than k times?"
若令r.v X:直到信号被接收为止所需次数
我觉得这题怎麽看都很像是算p[X>=k],可是解答是X>k
请问大家觉得呢??谢谢
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1F:推 drkkimo:指数分配吧 因为它说"more than"呀 09/04 08:11
2F:推 chrisjon:times..我怎麽觉得是Pisson o.oa? 09/04 12:28