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Mathematics, 18.02.2020 02:36 kymberlyasher

An urn contains 13 red balls and 7 blue balls. Suppose that three balls are taken from the urn, one at a time and without replacement. What is the probability that at least one of the three taken balls is blue?

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An urn contains 13 red balls and 7 blue balls. Suppose that three balls are taken from the urn, one...
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