×

Loading...

你的说法不正确在于,你的理论基于生0,1,2,3,4个男孩的概率相等,似乎正确但实不正确,应该基于生男生女概率相等!

naughtypig (皮皮猪爱玩现在不敢)
(#364603@0)
2002-2-10 -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This post has been archived.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: GMAT题,一对夫妇生了4个小孩,问2男2女的概率是多少?我的答案是1/5,但友人说是3/8。

Back To Forum: HOME枫下论坛枫下论坛主坛枫下沙龙谈天说地