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Old 04-08-2012, 04:26 AM
GraceLAX GraceLAX is offline
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Join Date: Apr 2012
Location: LAX
Posts: 4
Default Re: question about probability

Originally Posted by canon1230 View Post
If an urn contains 100 green or red marbles, and you sample 10 and they are all green, what is the probability that they are all green?
A physics professor friend wrote this up to help clarify a common statistical misconception.
Do these help? Read through the second one for a similar example.
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