Posted by Anonymous on Thursday, December 20, 2012 at 1:49am.
How do I approach this problem?
Seven green marbles and three red marbles are randomly placed in Box A and in Box B. Box A holds 4 marbles, while Box B holds 6. What is the probability that Box A has at least 2 green marbles?

Math  Jessie, Thursday, December 20, 2012 at 2:15am
Half
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