A bag contains 5 white and 3 black balls. Another bag contains 4 white and 5 black balls. From
any one of these two bags, two balls are drawn at random at one time. What is the probability
that the two drawn balls are white and black?
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Question

A bag contains 5 white and 3 black balls. Another bag contains 4 white and 5 black balls. From
any one of these two bags, two balls are drawn at random at one time. What is the probability
that the two drawn balls are white and black?
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directrix · Answer

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