作者Nocp (冲浪..被浪冲 傻傻分不清)
看板Grad-ProbAsk
标题[商管] [统计] 机率
时间Fri Jan 29 16:42:44 2010
Many products can operate if out of n parts , k of them are
working . Say n=20 and k =17 .Say p=0.05 is the probability that
a part fails .Assuming independence ,what is the probability that
the product operates ?
请问...这是考什麽?! 感觉像是考串并联
可是又解不出来... ...
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1F：→ ha18:我感觉只是考二项分配而已...可是不是很确定... 01/29 18:59