Mathematics, 19.06.2021 16:20 angie249
There are only 7 blue pens, 4 green pens and 6 red pens in a box.
One pen is taken at random from the box.
Write down the probability that this pen is blue.
Answers: 2
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There are only 7 blue pens, 4 green pens and 6 red pens in a box.
One pen is taken at random from t...
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