Do you know behind #3 door is a goat?

来源: what_name_to_use 于 2008-12-24 07:43:00 [] [旧帖] [给我悄悄话] 阅读数 : 0 (221 bytes)

Or only the game host knows that it is a goat?

If you already know #3 door is a goat, then your choice would only be #1 and #2 (a car and a goat), then the probability is the same 50%, so switching is no advantage.

所有跟帖： 

• only the host knows what's behind each door.... -荻花- ♀ 给 荻花 发送悄悄话 荻花 的博客首页 (0 bytes) () 12/24/2008 postreply 07:51:11

• Then still no advantage to switch, 1/3 probability to get the ca -what_name_to_use- ♀ 给 what_name_to_use 发送悄悄话 (0 bytes) () 12/24/2008 postreply 07:54:43

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