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10 Page 288 target7 Excersise 72 An urn contains 2 black and 2 white balls . a ball is drawn at random . if it is white then it is not replaced into the urn If black a ball of black color is replaced in side the urn The process is repeated then find the probability of getting black ball on 3rd draw

Answer» 10 Page 288 target7 Excersise 72 An urn contains 2 black and 2 white balls . a ball is drawn at random . if it is white then it is not replaced into the urn If black a ball of black color is replaced in side the urn The process is repeated then find the probability of getting black ball on 3rd draw


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