Posted by Aaron on Thursday, April 22, 2010 at 4:30pm.
Suppose a jar contains 5 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random without replacement, find the probability that both are red.

math  Reiny, Thursday, April 22, 2010 at 5:50pm
(5/38)(4/37) = ...
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