Question

Tolong sertakan caranya.
sekeping uang logam dilempar sebanyak 5 kali. peluang mendapat tiga sisi angka sama dengan...
a. 3/5
b. 1/2
c. 2/5
d. 5/16
e. 1/5

Answer 1

N(S) = 2^5 = 32
n(A) = byk menyusun AAAGG => n = 5, huruf yg sama : A = 3, G = 2
n(A) = 5!/(3!.2!) = 5.4.3!/3!.2.1 = 10
P(A) = n(A)/n(S) = 10/32 = 5/16