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diket a ke b :2
b ke c :3
ditanya : banyak kemungkinan yang ditempuh
2 X 3 : 6 (c)
10.
diket: setiap stu pack kartu brigade ada 52 lembar dann dibagi jadi 4 suit sehingga satu suit ada 13 (ini hafalan ya)
ditanya : kartu as
dijawab: setiap suit ada 1 kartu as maka total seluruhnya ada 4 kartu as jadi perbandingannya adalah 4/52 (b)
A ke B ada 2 jalan
B ke C ada 3 jalan
A ke C = 2 x 3 = 6 cara
no. 9
n(s) = 6
n(a) = {2, 3, 5} = 3
p(A) = 3/6 = 1/2
no. 10
n(S) = 52
n(A) = Kartu AS = 4
P(A) = 4/52 = 1/13