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A bag contains 4 red and 4 black balls , another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first Select the correct answer from above options

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Let E1 : The first bag is selected E2 : The second bag is selected A : The ball is red

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