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Bag A contains 4 white balls and 3 black balls, while Bag B contains 3 white balls and 5 black…
Bag A contains 4 white balls and 3 black balls, while Bag B contains 3 white balls and 5 black balls. Two balls are drawn from Bag A and placed in Bag B. Then, what is the probability of drawing a white ball from Bag B?
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From ISC 2019 Mathematics Paper 1, question 10.