Question

Tiga keping uang logam di lempar bersama sama. tentukan nilai..
a. muka kembar
b. paling sedikit 2 gambar
c. paling banyak 2 angka

mohon jawabannya (oﾟ▽ﾟ)

Answer 1

N(S) = 2³ = 8
a. A = {(A,A,A),(G,G,G)} --> n(A) = 2
P(A) = 2/8 = 1/4

b. A = {(A,G,G), (G,A,G), (G,G,A), (G,G,G)} --> n(A) = 4
P(A) = 4/8 = 1/2

c. A = {(A,G,G), (G,A,A), (G,A,G), (G,G,A)} --> n(A) = 4
P(A) = 4/8 = 1/2

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Answer 2

Angka=A
Gambar=G

Peluang= AAA, AAG, AGA, GAA,GGA, GAG, AGG,GGG

a=2
b=4
c=6