Comments on: 关于有趣的三扇门推理 https://axmemo.com/personal/interesting-three-door-question.html I will be here, in your future! Wed, 15 Sep 2010 07:04:47 +0000 hourly 1 https://wordpress.org/?v=6.1.7 By: A.X https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-124 Wed, 15 Sep 2010 07:04:47 +0000 https://axmemo.com/?p=371#comment-124 感谢楼上的各位指正～ 是我笔误，把2/3写成了1/2～

]]> By: AnoverX https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-123 Mon, 06 Sep 2010 16:26:09 +0000 https://axmemo.com/?p=371#comment-123 如果你不换，那么除非你第一次选对才有奖（1/3的几率），而如果你换了，那么除非你第一次选错才有奖（1/2的几率）。

第一次你選錯的概率明顯是2/3. 哪來的1/2???

]]> By: CN https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-122 Tue, 29 Sep 2009 04:11:16 +0000 https://axmemo.com/?p=371#comment-122 答案是1/3和2/3..有没有脑子呀

]]> By: AX https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-121 Fri, 30 May 2008 05:34:56 +0000 https://axmemo.com/?p=371#comment-121 要注意的是，那个主持人是知道答案的，因为如果他不知道答案，则概率是不会变化的

]]> By: cnlei https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-120 Wed, 28 May 2008 04:33:02 +0000 https://axmemo.com/?p=371#comment-120 而如果你换了，那么除非你第一次选错才有奖（1/2的几率）?
第一次选错的几率应该是2/3吧

]]> By: ashuai https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-119 Tue, 27 May 2008 04:56:10 +0000 https://axmemo.com/?p=371#comment-119 第一次是1/3机率
第二次我重新选择1, 也是1/2机率哦~

]]> By: forinec https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-118 Tue, 20 May 2008 05:24:29 +0000 https://axmemo.com/?p=371#comment-118 我觉得换不换都一样吧

]]> By: AX https://axmemo.com/personal/interesting-three-door-question.html/comment-page-1#comment-117 Tue, 20 May 2008 05:04:52 +0000 https://axmemo.com/?p=371#comment-117 其实，可以用很多的数学方式来计算，不过我向来向来都喜欢用模糊思考和形象思维啦～

最简单的解题思路如下:举例现在有1，2，3三扇门，然后你选择了1号门，主持人打开了3号门。这时候你是否要更换呢？如果你不换，那么除非你第一次选对才有奖（1/3的几率），而如果你换了，那么除非你第一次选错才有奖（2/3的几率）。因此，当然是换了更合算一点罗！

各位观众，你们明白了么？

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