Mathematics, 10.05.2021 16:30 BrianKeokot7700

There are 20 marbles in the box. 4 marbles are black, 6 marbles are blue, 10 are red. What is the probability of drawing a black OR a red marble?

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There are 20 marbles in the box. 4 marbles are black, 6 marbles are blue, 10 are red. What is the pr...

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