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A bag contains 4 red marbles, 5 blue marbles, and 2 green marbles. what is the probability of choosing a blue marble?
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A bag contains 4 red marbles, 5 blue marbles, and 2 green marbles. what is the probability of choosing a blue marble?

User Oderfla
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The ratio of all the marbles to blue marbles is 5:11, meaning there is a 45% chance that the next marble will be blue.
User Tobinharris
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