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A jar contains 26 marbles. It has 10 red, 8 black, and 8 green marbles. Two marbles are drawn; the first is not returned before the second one is drawn. What is the probability that both marbles are green?

 

A. P(Both green) =  8/13

B. P(Both green) =  28/325

C. P(Both green) =  32/325

D. P(Both green) =  14/169

 Mar 29, 2016
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P ( G and G)   =   8/26  x 7/25  =    4/13 x 7/25  =  28 / 325

 

 

B is correct

 

 

 

cool cool cool

 Mar 29, 2016

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