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An urn contains 10 balls colored either ...

An urn contains 10 balls colored either black or red. When selecting two balls from the urn at random, the probability that a ball of each color is selected is `8/15`. Assuming that the urn contains more black balls than red balls, the probability that at least one black ball is selected, when selecting two balls is (A) `18/45` (B) `30/45` (C) `39/45` (D) `41/45`

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