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Old 11-02-2007, 11:05 PM
furyshade furyshade is offline
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Join Date: Apr 2006
Posts: 4,705
Default Re: help with math problem

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You need to use bayes' theorem to find the probability that you selected the two blue marbles from a given hat, and then from there it is straight forward to calculate the chance that you grab a red marble from the other hat.

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i dont think any of us have heard of baye's theorem, and i dont get how the first picking affects the second
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