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You roll three fair six-sided dice.  What is the probability that the sum of the rolls is 12?

 Dec 7, 2020
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5 - 2 - 5    =    3 ways

5 - 1 - 6    =    6 ways

4 - 4 - 4     =   1  way

3 - 5 - 4    =    6 ways

3 - 6 - 3   =     3 ways

2 - 6  - 4  =     6 ways

 

There are  216  possible outcomes

 

P ( 12)  =  25/ 216

 

 

 

cool cool cool

 Dec 7, 2020

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