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April 23, 2014

Homework Help: conditional probability

Posted by Anonymous on Tuesday, July 17, 2012 at 3:38pm.

You have two bags of marbles.

Bag 1 has 5 red and 6 blue marbles.
Bag 2 has 20 green and 5 red marbles.

What is the probability of drawing a red marble out of Bag 2, given that you drew a red marble out of Bag 1?

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