A bag contains 4 white and 3 black balls. Two balls are drawn at random one after another with replacement. What is the probability that the first draw will give a black
hall and the second draw will give a white ball?
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Step-by-step explanation:
Two balls are drawn one by one at random without replacement. The probability that the second drawn ball is white. Therefore, the probability that the second drawn ball is white = (2/7) + (2/7) = 4/7.
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Answer:
probability is :
3/7, 4/7
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