Author: Rolf Tueschen
Date: 13:50:02 09/26/02
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On September 26, 2002 at 16:42:37, Uri Blass wrote: >On September 26, 2002 at 16:14:46, Sune Fischer wrote: > >>On September 26, 2002 at 15:30:42, Rolf Tueschen wrote: >>> >>>You are wrong because we had only one question. Was Marilyn right for the exact >>>text of the question. I said no, because the question did not make clear that >>>the host must _always_ open a door. >> >>What question are you refering too, not this one surely: >>"Suppose you're on a game show, and you're given a choice of three doors. Behind >>one door is a car; behind the others, goats. You pick a door-;say No. 1-;and the >>host, who knows what's behind the doors, opens another door-;say No. 3-;which >>has a goat. He then says to you, “Do you want to pick door No. 2?” Is it to your >>advantage to switch your choice? " >> >>Not only does it say he opens a door, it also says he knows what is behind the >>doors, and that he will open one with a goat, clearly he is all-knowing. > >The question says that the host knows. >The question does not say that he always must open a door. > >The host's strategy may be also to open a door only >if he knows that the first choice was correct and in that case switching your >choice is a mistake. > >When you do not know the host's strategy then it is not clear what to do. > >Uri Ok Uri, you get my second medal for inspirations ontopic. The first went to Bruce in CTF who admitted that he coudn't understand what I meant with "unique" situation. Well you made a good argument. :) Rolf Tueschen
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