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A basket contains 4 red, 5 blue and 3...

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random, what is the probability that at least one is blue? `7/(12)` (b) `(37)/(44)` (c) `5/(12)` (d) `7/(44)` (e) None of these

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