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Mathematics, 20.04.2020 19:50 ella3714
Jackie has a pack of twelve pens with 3 blue, 4 red, 3 green and 2 black. What is the probability that she picks a red pen, does not replace it, picks a blue pen, does not replace it and then picks another red pen?
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Jackie has a pack of twelve pens with 3 blue, 4 red, 3 green and 2 black. What is the probability th...
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