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[" 3.A bag contains "4" white and "5" bl...

[" 3.A bag contains "4" white and "5" black balls and another bag contains "3" white and "],[" black balls.A ball is taken out from the first bag and without seeing its colouris? "],[" in the second bag.A ball is taken out from the latter.Find the probability that "],[" ball drawn is white."]

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