b***k
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bigking (bigking) 于 (Thu Dec 13 11:51:49 2007) 提到:
There are three doors, behind one of them, there is $1000. You pick up one
door, then someone open one of the other doors, and make sure no money
behind it. Question is: would you change the door you picked up to another
closed door?
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kzkzkz (KZ) 于 (Thu Dec 13 11:53:33 2007) 提到:
yes you should.
check "Monte Hall Problem" on wikipedia
☆─────────────────────── | p*****k
发帖数: 318 | 2 this is not hard but could be fun:
http://www.youtube.com/watch?v=Cqw6Swjbpuk
starting from 6:07
essentially the question is:
there are 4 doors, with 2 cars and 2 goats behind them.
after the contestant chooses one door, the host, knowing
what behind each door, shows a door with goat behind it.
should the contestant switch to one of the unopened doors
or stick to her original choice?
(spoiler at 9:15 :P) |
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