国际顶尖MBA申请交流平台--TOPWAY MBA

标题: 问一道概率题 [打印本页]

作者: kenlily 时间: 2005-11-10 07:12 标题: 问一道概率题

When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?

谢谢!

作者: himba 时间: 2005-11-10 07:27

(1/2)*(1/2)*(1/2)*2 = 1/4。3次都正面，或者3次都反面。每种情况几率都是(1/2)*(1/2)*(1/2)。

作者: kenlily 时间: 2005-11-15 20:55

明白了。谢谢版主！！！

欢迎光临国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)