是男孩的機率 - 拼圖
By Elizabeth
at 2007-11-25T13:09
at 2007-11-25T13:09
Table of Contents
以下有兩個有關機率的計算題,請考慮清楚之後給出正確的答案:
1‧A氏有兩個小孩,已知至少有一個是男孩,那麼另外那個同樣是男孩子的機率有多少?
2‧B氏有兩個小孩,較大的那個是男孩,則較小的那個孩子為男孩的機率為何?
puzzlez
2007/11/25
--
1‧A氏有兩個小孩,已知至少有一個是男孩,那麼另外那個同樣是男孩子的機率有多少?
2‧B氏有兩個小孩,較大的那個是男孩,則較小的那個孩子為男孩的機率為何?
puzzlez
2007/11/25
--
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