Posted by **Carlos** on Sunday, March 25, 2007 at 4:42pm.

A jar contains 5 yellow marbles, 16 green marbles, and 8 black marbles. If one marble is selected at random, what is the probability that it is not green?

13 chances out of 16

(5/29*4/28)+(5/29*8/28)+(8/29*5/28)+(8/29*7/28)=39/203

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