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Mata dadu 3 = {3}
Mata dadu kelipatan 2 = {2,4,6}
Sehingga, himpunan gabungannya adalah:
A = {2,3,4,6}, sehingga n(A) = 4
Dengan dadu yang memiliki 6 sampel = {1,2,3,4,5,6}, n(S) = 6
Maka, peluangnya:
= n(A)/n(S)
= 4/6
= 2/3
A = { 3 }
n(A) = 1
B = { 2, 4, 6 }
n(B) = 3
n(S) = 6
Sehingga, peluangnya :