SOLUTION: A bag contains 12 red and 8 blue marbles. If you randomly select 2 marbles, what is the probability that they are the same color? I feel like this is an nPr or a nCr, but I am

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Question 731105: A bag contains 12 red and 8 blue marbles. If you randomly select 2 marbles, what is the probability that they are the same color?
I feel like this is an nPr or a nCr, but I am unsure.

Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!
2/19
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