[:.quad " Probability that "B" wins "=1-(1)/(3)=(1)/(3)],[" 2.16.A bag contains "4" white balls and "2" black balls.Another contains "3" white and "5" black balls.If "],[" a bag contains "4" white bas,find the probability that both are white."],[" one ball is drawn from each bag,find the probability that both are white."],[" Sol.Let "A_(1)" be the event getting a white ball first bag and "A_(2)" be the event getting a white ball from "],[" sol.Let "A_(1)" be the event getting a white ball first ball from first bag and "B_(2)" be the event getting black "]