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Old 01-15-2005, 02:20 AM
TomCollins TomCollins is offline
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Join Date: Jul 2003
Location: Austin, TX
Posts: 172
Default Re: A Microsoft Interview Question (aka basic Bayes\' Theorem)

This is all it takes to get a job at MS? Wonder what went wrong.

Number the chambers 1-6. 1-2 are loaded. So if your friend shoots and its empty, you know that he had 3-6. Only chamber 6 has the chamber next to it loaded. So your chances are 1/4 of dying.

On the other hand, if you choose one randomly, your chances are 2/6 = 1/3, which is worse.

So you shoot without turning the chamber.
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