Matematika

Pertanyaan

tolong di jawab semuanya yg no 1 itu soalny tiga buah uang logam
tolong di jawab semuanya yg no 1 itu soalny tiga buah uang logam

1 Jawaban

  • 1. s = {(AAA),(AAG),(AGA),(AGG),(GAA),(GAG),(GGA),(GGG)}
    n(s) = 2^3= 8
    2. n(s) = 6
    s = (1,2,3,4,5,6)
    A = kejadian muncul bilangan genap
    A = { 2,4,6}
    n(A) = 3
    P(A) = n(A)/n(S) = 3/6 = 1/2
    3. s = { angka, gambar}
    n(s) = 2
    A = kejadian muncul gambar
    n(A) = 1
    P(A) = 1/2
    4. n(s) = 6^2 = 36
    A = kejadian muncul mata dadu berjumlah lebih dari 4
    A = {(1,4),(1,5),(1,6),(2,3),(2,4),(2,5),(2,6),(3,2),(3,3),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,4),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6)}
    n(A) = 30
    P(A) = 30/36 = 5/6

    5. dik: n= 200
    k = 75
    dit: Fr?
    jawab
    Fr= k/n
    Fr = 75/200 = 3/8