作者cqicqi (颓废雅痞)
看板Statistics
标题[问题] 很大超大的问题，请各位帮忙解一下
时间Fri Apr 28 19:40:52 2006
Independent trials,each of which is a success with probability p,are
performed until there are 3 "consecutive" successes.What is the mean
number of necessary trials.
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1F：推 xu3jp68:290篇 04/28 23:25