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Mathematics, 09.12.2020 23:20 kawaunmartinjr10

A box contains 4 red pens, 3 blue pens, and 5 black pens. A pen is selected at random, not replaced, and then a second pen is selected. Find probability of: P(red, then blue)

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A box contains 4 red pens, 3 blue pens, and 5 black pens. A pen is selected at random, not replaced,...
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