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OpenStudy (anonymous):
A bag contains 6 orange marbles, 2 green marbles, and 2 blue marbles. If two marbles are chosen randomly from the bag and not replaced, what is the probability that the first marble is green and the second marble is blue? my last one please!
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OpenStudy (anonymous):
Once you take out a green marble, you'll have only 9 marbles left. This explains the "9" in the denominator of the second factor: (2/10) x (2/9)
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