Kelas 9 MatematikaBab PeluangBilangan prima = { 2, 3, 5, 7, 11, ... }Jumlah kedua mata dadu adalah bilangan prima= { (1, 1), (1, 2), (2, 1), (2, 3), (3, 2), (1, 4), (4, 1), (1, 6), (6, 1), (2, 5), (5, 2), (3, 4), (4, 3), (5, 6), (6, 5) }n = 15Titik sampel 2 dadu= 6²= 36Peluang = 15/36 Peluang = 5/12 Kejadian jumlah 2 = {(1, 1)}=1 Kejadian jumlah 3 = {(1, 2), (2, 1)} = 2 Kejadian jumlah 5 = {(1, 4), (2, 3), (3, 2), (4, 1)} = 4 Kejadian jumlah 7 = {(1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1)} = 6 Kejadian jumlah 11 = {(5, 6), (6, 5)} = 2 Jumlah kedua mata dadu bilangan prima = 1+2+4+6+2 = 15 Banyak ruang sampel dua buah dadu = 36 |