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If you have 3 4-sided dice, what is the Probability of getting the number 4 on all 3 dice at the same time?

(1,1,1)
(1,1,2)
(1,1,3)
(1,1,4)
(1,2,1)
(1,2,2)
(1,2,3)
(1,2,4)
(1,3,1)
(1,3,2)
(1,3,3)
(1,3,4)
(1,4,1)
(1,4,2)
(1,4,3)
(1,4,4)
(2,1,1)
(2,1,2)
(2,1,3)
(2,1,4)
(2,2,1)
(2,2,2)
(2,2,3)
(2,2,4)
(2,3,1)
(2,3,2)
(2,3,3)
(2,3,4)
(2,4,1)
(2,4,2)
(2,4,3)
(2,4,4)
(3,1,1)
(3,1,2)
(3,1,3)
(3,1,4)
(3,2,1)
(3,2,2)
(3,2,3)
(3,2,4)
(3,3,1)
(3,3,2)
(3,3,3)
(3,3,4)
(3,4,1)
(3,4,2)
(3,4,3)
(3,4,4)
(4,1,1)
(4,1,2)
(4,1,3)
(4,1,4)
(4,2,1)
(4,2,2)
(4,2,3)
(4,2,4)
(4,3,1)
(4,3,2)
(4,3,3)
(4,3,4)
(4,4,1)
(4,4,2)
(4,4,3)
(4,4,4) --- This is what you want - occurs only once
There are 64 possibilities, so the probability is 1/64.

1/4 x 1/4 x 1/4 = 1/64