G****a 发帖数: 10208 | 1 【 以下文字转载自 ebiz 讨论区 】
发信人: Geisha (和谐), 信区: ebiz
标 题: 做题了, 问大家一个概率问题
发信站: BBS 未名空间站 (Sat Jul 24 16:18:51 2010, 美东)
Mixture A is composed of 5% apples & 95% oranges. I want 95% power of
choosing >2% apples. How many times do I need to sample the mixture?
How about if I accept 80% power of choosing >2% apples? |
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