Posted by **Kandace** on Tuesday, April 19, 2011 at 9:55pm.

A box contains 2 blue marbles and 7 red marbles and two marbles are drawn with out replacement. The probability of not getting a red marble is

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**PsyDAG**, Wednesday, April 20, 2011 at 11:51am
P(2B) = 2/9 * 1/8 = ?

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