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Mathematics 17 Online
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OpenStudy (whpalmer4):

4 green, 3 red, 3 yellow marbles. what is the probability that you draw a red marble?

OpenStudy (whpalmer4):

there are 3 red marbles, and a total of 4+3+3 = 10 marbles. therefore, the probability of drawing a red one on the first draw is 3/10, or 30%. After you have drawn that red marble, and do not put it back in the bag, there are now 9 marbles: 2 red, 3 yellow, 4 green. What is the probability at this point that you draw a yellow marble from the bag?

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