Mathematics, 03.11.2020 03:20 neelydeY23

There are 4 red, 8 blue, and 2 green pens in the teacher’s drawer. What is the probability the teachers picks a red pen, replaces it and then picks a blue pen from the drawer?

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There are 4 red, 8 blue, and 2 green pens in the teacher’s drawer. What is the probability the teach...

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