A bag contains 3 red balls and 4 white balls, another bag contains 4 red and 3 white balls. a die is cast, if 1 or 3 shows up, then a ball from bag i is picked, and if any other turns up, a ball from bag ii is picked. what is the probability of picking up a red ball?
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7 Red and 7 White balls
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1/7 is the probability of getting red ball
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