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BOX A contains 5 white balls , 8 black balls and 13 red balls . BOX 2 contains 6 white balls, 4 black balls and 7 red balls. BOX 3 contains 9 white balls , 10 black balls , 11 red balls. Box 4 contains 4 white balls , 5 black balls and 4 red balls. A box is choosen at random and balls are drawn from it with replacement. They happen to be 2 white ball and 3 red balls. What is the probability that they came from BOX 3??

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