Mathematics, 20.05.2021 06:20 rainbow7020

A box has 3 pencils, 5 pens, and 4 markers. What is the probability of randomly pulling out a marker, then after putting it back your friend grabbing something that is not a pencil?

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A box has 3 pencils, 5 pens, and 4 markers. What is the probability of randomly pulling out a marker...

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