Probability of selecting a blue marble
A package contains a 42 marbles of the same size but different colors; 18 are yellow, 12 are blue, 9 are green, and 3 are black.
What is the probability of selecting a blue marble and then a green marble?
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A package contains a 42 marbles of the same size but different colors; 18 are yellow, 12 are blue, 9 are green, and 3 are black. What is the probability of selecting a blue marble and then a green marble?
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