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Bab PeluangMatematika SMP Kelas IX
dua dadu dilempat 1 kali, ruang sampel = 6²
= 36
Muncul jumlah mata dadu 6 = { (1,5), (5,1), (2,4), (4,2), (3,3) }
n = 5
Peluang = 5/36
Muncul jumlah mata dadu 9 = { (3,6), (6,3), (4,5), (5,4) }
n = 4
Peluang = 4/36
Peluang muncul mata dadu 6 atau 9 = 5/36 + 4/36
= 9/36
= 1/4