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Cedric has 1 red pen, 1 blue pen, and 1 black pen in his desk. If he randomly takes two of them from his desk without replacement, what is the probability that he will take the blue and black pens?
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Jun 18, 2019
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Cedric has 1 red pen, 1 blue pen, and 1 black pen in his desk. If he randomly takes two of them from his desk without replacement, what is the probability that he will take the blue and black pens?
Mathematics
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Kaifei
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maybe it is a 1 out of 3 probability
SpiritOfDragon
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Jun 25, 2019
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