Frekuensi Harapan
Presentation
•
Mathematics
•
9th Grade
•
Hard
Ni Suliastini
FREE Resource
4 Slides • 0 Questions
1
PENGERTIAN
Frekuensi harapan adalah kemungkinan atau harapan akan suatu kejadian berdasarkan pengamatan atau percobaan sebelumnya. Misalnya, seperti semakin banyak kalian mengirim kupon undian, maka peluang menang menjadi lebih besar. Harapan untuk memenangkan undian tersebut disebut frekuensi harapan.
2
RUMUS
Fℎ=P(A) × n
Keterangan:
Fℎ = Frekuensi harapan
P(A) = Peluang suatu kejadian
n = Banyaknya percobaan
3
Contoh Soal
Sebuah dadu dilempar sebanyak 30 kali. Tentukan frekuensi harapan munculnya mata dadu bernomor ganjil!
Diketahui:
A = kejadian munculnya mata dadu ganjil = {1,3,5}
Banyaknya percobaan = 30 kali
Ditanya:
Fℎ (Frekuensi Harapan)
4
Jawaban
Fℎ=P(A)×n
Fℎ=3/6×30
Fℎ=1/2×30
Fℎ=15
Jadi, frekuensi harapan munculnya mata dadu ganjil dari 30 kali percobaan pelemparan adalah 15 kali.
PENGERTIAN
Frekuensi harapan adalah kemungkinan atau harapan akan suatu kejadian berdasarkan pengamatan atau percobaan sebelumnya. Misalnya, seperti semakin banyak kalian mengirim kupon undian, maka peluang menang menjadi lebih besar. Harapan untuk memenangkan undian tersebut disebut frekuensi harapan.
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