Question

Jika sebuah dadu dilempar sebanyak 36 kali, maka frekuensi harapan muncul mata dadu bilangan prima adalah... kali.
a. 5
c. 18
b. 9
d. 24


#harus pake cara ya​

Answer 1

Penyelesaian:

Peluang prima:

Titik sampel=3(2,3,5)

Ruang sampel=6

Maka

3/6=1/2

Jadi

1/2×36

=18kali

Answer 2

| Penyelesaian

1 dadu = 1, 2, 3, 4, 5, 6

Mata dadu bilangan prima :

2, 3, 5 → n(A) = 3

n(s) = 6

P(A) = 3/6 = 1/2

Fh(A) = n × P(A)

= 36 × 1/2

= 18 kali ( Opsi B )

Air-!!