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Mathematics, 21.07.2019 04:00 tray71016
Acup has 4 pencils, 3 black pens, 1 blue pen, and 5 red pens. what is the probability of selecting a black or blue pen?
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Acup has 4 pencils, 3 black pens, 1 blue pen, and 5 red pens. what is the probability of selecting a...
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