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17 = P (3) x 100
P(3) = 17100
fh (5) = P(5) x n percobaan
18 = P(5) x 100
P(5) = 18/100
P(3 atau 5) = P(3) x P(5)
= 17/100 + 18/100
= 35/100
= 7/20 (jawaban A)
2) fh (5) = P(5) x n percobaan
12 = P(5) x 60
P(5) = 12/60
= 1/5 (jawaban B)
3) n(S) = 18 + 14 + 11 + 15
= 58
n(bukan merah ) = 14 + 11 + 15
= 40
Pbukan merah) = n(bukan merah) / n(S)
= 40/58
= 20/29 (jawaban D)
4) n(S) = 100
bil prima = 2, 3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37 , 41 , 43 , 47 , 53,
59, 61 , 67 , 71 , 73 ,79 , 83 , 89 , 97
n(bil prima) = 25
P(bil prima) = n(bil prima) / n(S)
= 25/100
= 1/4 jawaban (A)
5) komet muncul setiap 76 tahun sekali (jawaban D)
6) n(S) = 2 x 2 x 2 = 8
n(3A) = 1
P(3A) = 1/8 (jawaban A)
7) fr (3) = n (3) / n percobaan
= 1/20