A fair die is rolled .If 1 turns up , a ball is picked up at random from bag A if 2 or 3 turns up a ball is picked up at random from bag B oterwise a ball is picked up from bag C .bag A contains 3 red and 2 white balls , bag B contions 3 red and 4 white balls and bag C contions 4 red and 5 white balls the die is rolled a bag is picked up and a ball is drawn from it . i)what is the probability of drawing a red ball ii)if the ball drawn is red , what is the probability that bag B was picked up ?
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