Question

2 dadu dulempar bersamaan 1 kali berapakah peluang a.muncul dadu pertama bukan bermata 4 b. muncul mata dadu bukan berjumlah 11

Answer 1

Titik sampel dua buah dadu = 36 tapi buat tebelnyayang dibawah ini:

1 2 3 4 5 6
1 (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)
2 (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
3 (3,1) (3,2) (3,3) (3,4) (3,5) (3,6)
4 (4,1) (4,2) (4,3) (4,4) (4,5) (4,6)
5 (5,1) (5,2) (5,3) (5,4) (5,5) (5,6)
6 (6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

a. (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),(5,1),(5,1),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6) peluangnya 30/36=15/18

B.(1,1),(1,2),(1,3),(1,4),(1,5),(1,6), (2,1),(2,2),(2,3) (2,4),(2,5),(2,6), (3,1),(3,2), (3,3), (3,4),(3,5),(3,6), (4,1),(4,2),(4,3),(4,4),(4,5),(4,6), (5,1),(5,2),(5,3) (5,4),(5,5),(6,1),(6,2),(6,3),(6,4) Peluangnya 33/36=11/12