SOLUTION: A bag is filled with 9 white tokens, 5 blue tokens 4 green tokens and 2 red tokens Two tokens are drawn from the bag without replacement. What is the probability that both tokens

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Question 1155252: A bag is filled with 9 white tokens, 5 blue tokens 4 green tokens and 2 red tokens
Two tokens are drawn from the bag without replacement. What is the probability that both tokens are blue?

Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

In total, there are  9 + 5 + 4 + 2 = 20 tokens.


With the probability    we select blue token at the first draw;


and then with the probability    we select blue token at the second draw.


Therefore, the answer to the problem's question is  P =  =  = .  


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