三個門 - 推理遊戲

By Ethan
at 2009-07-31T10:50
at 2009-07-31T10:50
Table of Contents
有3個門 A B C
其中一個門後面有100萬獎金
其餘2個門後面什麼都沒有
當妳選定1個門之後(例如選定B)
主持人會打開其餘兩個門之中的一個空門
然後會問妳要不要換
此時 要換嗎
我的想法
不換門:選中100萬獎金的機率是3分之1
換門:選中100萬獎金的機率是2分之1(因為主持人已經幫妳刪除一個空門)
可是想來想去又不太對
請各位大大給我指教
--
Tags:
推理遊戲
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