Tiga uang logam di lempar bersama.Tentukan peluang kejadian Munculnya 3 gambar

Dik:
n(S) = 8 {(AAA), (AAG), (AGA), (AGG), (GAA), (GAG), (GGA), (GGG)}
n(K) = 1 {(GGG)}

Dit:
P(K)...?

Jawab:
P(K) = [tex] \frac{n(K)}{n(S)} [/tex]
        = [tex] \frac{1}{8} [/tex]