One bag contains 5 white and 4 black balls. Another bag contains 7 white and 9 black balls. A ball is transferred from the first bag to the second and then a ball is drawn from the second bag. Find the probability that the ball drawn is white.
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total white ball is 12
total black ball is 13
probability of white ball = 12/12+13
=12/25
= 0.48
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