Thread: Random Thoughts Thread v3.0
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Old 10-20-2009, 05:34 PM   #2264
Phanuthier
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Quote:
Originally Posted by STeeLy View Post
there's 15 total, 10 are chocolate, 5 are vanilla... what is the probability that you draw at least 1 chocolate out of the 15.
=P(1/3) + P(2/3) + P(3/3)
= 10/15 + (10/15 + 9/14) + (10/15 + 9/14 + 8/13)

... I think...
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