almondalex almondalex

26-06-2018
Mathematics

contestada

A bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble?

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sujittra sujittra

26-06-2018

I may be wrong but
5/15 - red marble
4/15 - black marble.
:(

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