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Mathematics, 13.04.2021 19:00 robert7248

a cup holds 7 blue pens 4 red pens and 5 green pens rose pulls put two pens without looking what is the probability that she pulls out a red and then green if she does not replace the first pen

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a cup holds 7 blue pens 4 red pens and 5 green pens rose pulls put two pens without looking what is...

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