Author: Masciulli Gianluigi
Date: 05:33:05 01/09/02
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On January 07, 2002 at 20:24:01, Hans van der Zijden wrote: ... >I told a friend this riddle and she is still convinced that it doesn't matter if >you change or not. She agrees that you have 1/3 chance getting it right the >first guess, but after one (empty) door is opened she keeps saying there are 2 >doors left, so now you have 1/2 chance if you stick to your choice. I try to >explain it to her in all the ways I could think of, but she is as stubborn as 3 >mules. I also played this situation 30 times with and 30 times without changing. >She thinks I was lucky and the random die showed too many times the number 1. >Anyone an idea how to explain this to her. i think the better Idea is to put some money on it .. may be this make her think more deeply about it .. and in the worst case you win some money ;-) glm
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