Page 45 - E-Modul Peluang SMP

= {(1, 1), (2, 1), (3, 1), (4, 1), (5, 1), (6, 1), (1, 2), (2, 2), (3, 2), (4, 2),

(5, 2), (6, 2), (1, 3), (2, 3), (3, 3), (4, 3), (5, 3), (6, 3), (1, 4), (2, 4),
(3, 4), (4, 4), (5, 4), (1, 5), (2, 5), (3, 5) (4, 5), (1, 6), (2, 6), (3, 6)}
( ) = 30
( ) 30 15
( ) = = =
( ) 36 16

Jawaban: D

Latihan Peluang Kejadian Majemuk

1. Misalkan kejadian muncul mata dadu ganjil:

= {1, 3, 5}, maka ( ) = 3
Misalkan kejadian muncul mata dadu prima:

={2, 3, 5}, maka ( ) = 3

∩ = {3, 5}, maka ( ∩ ) = 2

( ) = 6

Jadi, ( ∪ ) = ( ) + ( ) − ( ∩ )

3
2
3
= + −
6 6 6
4
=
6
2
=
3
Jawaban: D
5
1
1
2. Diketahui: ( ) = , ( ) = , dan ( ∩ ) =
8 2 4
Jadi, ( ∪ ) = ( ) + ( ) − ( ∩ )

1
1
5
= + −
8 2 4
= 5+4−2
8
7
=
8
Jawaban: B

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