dua buah dadu di lempar undi bersamaan sebanyak 180 kali. frekuensi harapan muncul jumlah mata dadu 8 adalah

langsung aja y

2 dadu
n(s) = 36
n(a) = {(2,6)(3,5)(4,4)(5,3)(6,2} = 5

p(a) = n(a) / n(s) = 5/36

Fh = p(a) × n
Fh = 5/36 × 180
Fh = 5 × 5
Fh = 25

semoga berguna +_+