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Nomor a ~>
n(K) = 18
P(K) = n(K)/n(S)
= 18/36
= 1/2
Jadi peluangnya adalah 1/2.
Nomor b ~>
n(K) = 9
P(K) = n(K)/n(S)
= 9/36
= 1/4
Jadi peluangnya adalah 1/4.
A = { (2,1),(2,2),...,(2,6),(3,1),(3,2),...,(3,6),(5,1),(5,2),...,(5,6) }
n(A) = 18
n(S) = 36
P(A) = =
b).
A = { (2,2),(2,3),(2,5),(3,3),(3,5),(5,5) }
n(A) = 6
n(S) = 36
P(A) = =