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OpenStudy (anonymous):
In a bag of marbles you have 3 green, 2 yellow, 6 blue, and 9 red marbles. What is the probability of picking a blue marble from the bag?
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OpenStudy (mimi_x3):
\[ \text{ Probability of picking blue marble} =\frac{\text{ # of blue marbles} }{\text{ Total amount of Marbles }}\]
OpenStudy (mimi_x3):
How many blue marbles are there? How many marbles are there in total?
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