بِسْـــمِ اللَّهِ الرَّحْمَــنِ الرَّحِيْمِ

S = {(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), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)}

n(S) = 36

A = {mata dadu berjumlah 6}

A = {(1, 5), (2, 4), (3, 3), (4, 2), (5, 1)}

n(A) = 5

B = {jumlah mata dadu prima}

B = {(1, 1), (1, 2), (1, 4), (1, 6), (2, 1), (2, 5), (3, 2), (3, 4), (4, 3), (5, 2), (5, 6), (6, 1), (6, 5)}

n(B) = 13

P = P(A) + P(B)

= n(A) / n(S) + n(B) / n(S)

= 5/36 + 13/36

= 18/36

= ½

Fh = P × n

= ½ × 720

= 360

وَاللَّهُ عَالَمُ بِاالصَّوَافَ