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Problem in image

 

 Apr 28, 2020
 #1
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There are 7 red, 5 blue, and 6 green marbles, for a total of 18 marbles.

What is the probability of getting a red marble?     7/18

Replacing it, and getting a blue marble?                5/18

What is probability of doing both?                          7/18 x 5/18  =  35/324

 Apr 28, 2020

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