x***3
发帖数: 1708 | 1 【 以下文字转载自 Statistics 讨论区 】
发信人: xj103 (xj103), 信区: Statistics
标 题: 帮小朋友问个概率问题啊!
发信站: BBS 未名空间站 (Wed Aug 22 00:00:10 2012, 美东)
包子伺候，先谢谢大家了！
The costume shop is selling a disguise kit, each disguise kit is made up of
a mustache, a wig, and false nose. The choices for each a listed below:
Mustache: Brush, Handlebar
Wig: Bald, Curly, Long
Nose: pug, hooked, straight, red
1. What is the probability that the wig is bald, curly, or long?
2. What is the probability that the nose is either pug or red? | i*****s
发帖数: 4596 | | x***3
发帖数: 1708 | 3 什么是等概率啊？ 估计没有那么复杂了，就是8年纪的数学作业。 小朋友现在很
desperate了。 | x****u
发帖数: 12955 | |
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