Matematika

Pertanyaan

Pada percobaan lempar undi 2 buah dadu sebanyak 216 kali frekuensi munculnya mata dadu berjumlah grnap

1 Jawaban

  • 2 dadu dilempar : n(S) = 6 . 6 = 36
    muncul mata dadu berjumlah genap
    2 = (1,1)
    4 = (1,3), (3,1), (2,2)
    6 = (1,5), (5,1), (2,4), (4,2), (3,3)
    8 = (2,6), (6,2), (3,5), (5,3), (4,4)
    10 = (4,6), (6,4), (5,5)
    12 = (6,6)
    n(A) = 18
    p(A) = n(A)/n(S) = 18/36 = 1/2
    fh = p(A) . n = 1/2 . 216 = 108 kali

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