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Mathematics, 15.12.2020 01:00 oglygbbjrapidd2851

You have 4 black marbles, 3 green marbles and 5 red marbles in a bag. What is the probability of pulling out a black marble?

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You have 4 black marbles, 3 green marbles and 5 red marbles in a bag. What is the probability of pu...

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