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Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.
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Nov 8, 2018
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Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.
P(purple|blue
Mathematics
middle-school
Lesa
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Lesa
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I think it would be 3 out of 4, because since the first marble was drawn and not replaced, there would only be 4 total marbles left. Of those, 3 are purple, so the answer would be 3/4.
Diego Basch
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Nov 13, 2018
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Diego Basch
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