作者mich2230ya (浩浩)
看板Math
标题[机统] 高中机率
时间Wed Apr 13 02:32:42 2011
P(Ace)
P(♥)=?
P(Ace U ♥)=?
P(Ace∩♥)=?
Set B={A、K、Q、J},P(BU♥)=?
P(B∩♥)=?
随机取5张朴克牌,得同花顺的机率
随机取5张朴克牌,得铁枝的机率
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 125.230.3.85
1F:推 gwendless :有符号看不到,是PCMAN的问题吗.. 04/13 02:36
2F:推 IanHsia :所有:C52选5 同花顺:C4花选1*C10种连五张选1种 04/13 02:52
3F:→ IanHsia :铁支:C13种数字选1种来铁支*C剩下48张选1来凑 04/13 02:52