×

Loading...

ft,这是样本不放回的抽样. 26黑26红。第一次,抽黑的概率26(黑)/(26(黑) + 26(红)),第二次,只剩下51张牌(25(黑) + 26(红)),抽红的概率26(红)/(25(黑) + 26(红))。

scorpio (scorpio)
(#143932@0)
2001-7-25 -04:00
This post has been archived. It cannot be replied.
Page address has been copied. To share, click to copy page address.
Share Online by QR Code

Back To Topic: 据说是M$的面食题@@ 看看有没有人做的出来@@

Back To Forum: HOME枫下论坛枫下论坛主坛工作学习IT技术讨论