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Mathematics, 25.02.2020 03:02, alexisthegirl
Seven balls are randomly withdrawn from an urn that contains 12 red, 16 blue, and 18 green balls. Find the probability that (a) 3 red, 2 blue, and 2 green balls are withdrawn; (b) at least 2 red balls are withdrawn; (c) all withdrawn balls are the same color; (d) either exactly 3 red balls or exactly 3 blue balls are withdrawn.
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Seven balls are randomly withdrawn from an urn that contains 12 red, 16 blue, and 18 green balls. Fi...
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