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Mathematics, 30.06.2019 11:30 pr47723

Abox contains 18 balls numbered 1 through 18. two balls are drawn in succession without replacement. if the second ball has the number 4 on it, what is the probability that the first ball had a smaller number on it? an even number on it?

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Abox contains 18 balls numbered 1 through 18. two balls are drawn in succession without replacement....
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