Mathematics, 12.07.2019 05:30 Crxymia
There are 7 blue balls and 15 red balls in a urn. 3 balls are randomly chosen at once (without replacement). what is the probability that 2 blue and 1 red ball are drawn
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There are 7 blue balls and 15 red balls in a urn. 3 balls are randomly chosen at once (without repla...
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