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A bag A contains 1 white and 6 red balls. Another bag contains 4 white and 3 red balls.

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A bag A contains 1 white and 6 red balls. Another bag contains 4 white and 3 red balls. One of the bags is selected at random and a ball is drawn from it, which is found to be white. Find the probability that the ball drawn is from the bag A. Select the correct answer from above options

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Consider R as the red ball, W as the white ball A as the bag A and B as the bag B Assume selecting bags is of equal probability = 1/2 Here we should determine P (A/W) – the selected white ball is from bag A Substituting the values = 1/5 Hence, the probability of selected white ball is from bag A is 1/5.

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