salguera561 salguera561

31-03-2020
Mathematics

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A jar of marbles contains 5 blue 12 red, and 8 yellow marbles. what is is probability that you you select a blue marble, keep it, and then select a red marble?

Please answer quick and explain

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KoreabooGirl KoreabooGirl

31-03-2020

5+7+8= 20

5/20

20-1= 19

8/19 (becomes 19 because you are not replacing the marble)

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