sebuah kartu diambil secara acak dari satu set kartu bridge tentukan peluang yang terambil bukan kartu as

n(s) = 52 (tanpa joker)
kartu as = {(as as as as)}
n kartu as = 4
n bukan kartu as = 52-4 = 48
P = 48/52 = 24/26 = 12/13