awk03mot3gon awk03mot3gon

14-07-2017
Mathematics

contestada

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a red marble, replacing it, and then picking a green marble?

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sophiemcdo sophiemcdo

14-07-2017

Probability of Red: 7:(2+7+1)
Probability of Green: 1:(2+7+1)

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