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3 six-sided dices are rolled. What is the probability that the product is 12?

 Jan 7, 2021
 #1
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Use casework. 

3,2,2 3 ways

3,4,1 6 ways

6,2,1 6 ways

In total there are 15 ways. 

6^3=216

15/216=5/36

:D

 Jan 7, 2021
 #2
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AvenJohn, a little error on fraction reduction  

 

    15                         5  

   ——   reduces to  ——  

   216                       72  

Guest Jan 7, 2021
edited by Guest  Jan 7, 2021

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