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Mathematics, 31.07.2019 03:30 MayFlowers

Abag has 7 red marbles, 8 blue marbles and 3 black marbles. what is the probability of picking a black marble, replacing it, and then picking a red marble?

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Abag has 7 red marbles, 8 blue marbles and 3 black marbles. what is the probability of picking a bla...
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