An urn contains m white and n black balls. A ball is drawn at random and...

 

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An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with K additional balls of same colour as that of the ball drawn. A ball is again drawn at random. Then the probability that the ball drawn now is white (A) m+n m (B) m+n т-п (C) m+n An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with K additional balls of same colour as that of the ball drawn. A ball is again drawn at random. Then the probability that the ball drawn now is white (A) m+n m (B) m+n т-п (C) m+n