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OpenStudy (anonymous):
A bowl contains 8 blue marbles and 5 green marbles. Hannah randomly draws 4 marbles from the bowl. She does not replace the marbles after each draw. What is the probability that she draws 2 blue marbles and 2 green marbles?
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OpenStudy (misssunshinexxoxo):
8C2*5C2 / 13C4 = 28*10 / 715 = 56/143
OpenStudy (anonymous):
looks good to me did you understand any of it?
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