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[" A bag contains "5" red marbles and "3...

[" A bag contains "5" red marbles and "3" black marbles.Three marbles are drawn one by one without "],[x" "frolacement.What is the probability that at least one of the three marbles drawn be black,if the "],[" first marble is red? "]

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A bag contains 5 red marbles and 3black marbles.Three marbles are drawn one by one without replacement.What is the probability that at least one of the three marbles drawn be black,if the first marble is red?

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