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OpenStudy (anonymous):
Karen wants to distract her noisy four-year-old child at a restaurant. She pulls out a bag that has 4 black marbles, 8 red marbles, and 9 green marbles. The child likes green marbles. What is the probability Karen will randomly pick a green marble from the bag in one try?
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OpenStudy (anonymous):
9 of the 21 marbles are green So it's just 9/21 which simplifies to 3/7 If you want a decimal instead of a fraction put that in your calculator
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