

13.4 Kebarangkalian Mudah
Presentation
•
Mathematics
•
2nd Grade
•
Hard
NORSYILAWATI Moe
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8 Slides • 0 Questions
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13.4 Kebarangkalian Mudah
13.4.1 Penyelesaian masalah

2
contoh 1
Dalam pertandingan kuiz matematik , Suzi telah menghantar 8 borang penyertaan. Kebarangkalian Suzi menang ialah 252 . Berapakah jumlah borang penyertaan dalam pertandingan itu?
3
Jawapan
252 = n(S)8
n(S) = 28 × 25
n(S) = 100 keping borang penyertaan
4
Contoh 2
Satu set huruf yang dapat membentuk perkataan MEMPERTAHANKAN di letak di dalam sebuah beg. Satu huruf diambil daripada set tersebut secara rawak . Hitung
a) Kebarangkalian huruf yang dipilih itu ialah huruf vokal
b) Kebarangkalian peristiwa pelengkap memilih huruf vokal.
5
Jawapan
a) Jumlah huruuf = 14
V = { E1 , E2, A1 , A2 , A3 }
= 145
6
Jawapan
b) P(V') = 1 - P(V)
=1 − 145
= 149
7
Cuba Jawab
Sebuah kotak mengandungi 21 biji butang yang terdiri daripada butang biru dan beberapa biji butang putih . Sebiji butang kemudian diambilsecara rawak daripada kotak itu.Kebrangkalian Marini mengambil
butang putih ialah 72. Hitung
8
a) Kebarangkalian butang biru dipilih
b) bilangan butang berwarna biru
c) kebarangkalain memilih butang biru jika 9 biji butang putih
13.4 Kebarangkalian Mudah
13.4.1 Penyelesaian masalah

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