Tolong Dijawab ya kak no.1,8 Dan 10

Materi Peluang

1.]
Rumus : E(A) = P(A) • N

dengan :
E(A) = frek. harapan
P(A) = peluang kejadian A
N = banyak percobaan

Maka
E(A) = xN
atau
E(A) = Nx [Opsi A]

8.]
P(A) = 0,35
N = 700

E(A) = _ ?

E(A) = P(A) • N
= 0,35 • 700
= 245 kali [Opsi C]

10.]
P(H) = n(H) / n(S)
= 7 / (7 + 4 + 5)
= 7/16

N = 320

E(H) = _ ?

E(H) = P(H) • N
= 7/16 • 320
= 140 kali [Opsi B]