国际顶尖MBA申请交流平台--TOPWAY MBA

标题: From JJ. [打印本页]

作者: redpot 时间: 2002-8-20 09:53 标题: From JJ.

Producing one unit, the possibility of defective is 0.01.If now produce ten units,what is the possibility of the situation that there must be one unit that is defective?

作者: David 时间: 2002-8-21 03:22

没有缺陷的概率是0.99，所以10个unit都没有缺陷的概率是（0.99）^10

那么must有缺陷的就是1-(0.99)^10

作者: redpot 时间: 2002-8-23 00:44

Thanks.

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