
Variabel Acak Diskrit
Authored by Zayn Ahmath
Mathematics
12th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan variabel acak diskrit?
Variabel acak diskrit adalah variabel acak yang nilainya tidak terbatas.
Variabel acak diskrit adalah variabel acak yang nilainya berupa bilangan bulat.
Variabel acak diskrit adalah variabel acak yang nilainya berupa bilangan desimal.
Variabel acak diskrit adalah variabel acak yang nilainya terbatas pada himpunan nilai yang dapat dihitung.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikan contoh variabel acak diskrit dalam kehidupan sehari-hari.
Tinggi pohon di taman
Jumlah uang di dompet
Jumlah anak dalam sebuah keluarga, jumlah mata dadu saat melempar dadu
Berat badan seseorang
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menghitung nilai harapan dari variabel acak diskrit?
E[X] = x1*p1 * x2*p2 * ... * xn*pn
E[X] = x1*p1 / x2*p2 / ... / xn*pn
E[X] = x1*p1 - x2*p2 + ... + xn*pn
E[X] = x1*p1 + x2*p2 + ... + xn*pn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa perbedaan antara variabel acak diskrit dan variabel acak kontinu?
Variabel acak diskrit memiliki nilai yang terbatas dan terpisah, sedangkan variabel acak kontinu memiliki rentang nilai yang tak terbatas dan dapat berupa bilangan pecahan.
Variabel acak diskrit hanya dapat mengambil nilai bulat.
Variabel acak diskrit memiliki rentang nilai yang tak terbatas dan dapat berupa bilangan pecahan.
Variabel acak kontinu memiliki nilai yang terbatas dan terpisah.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah distribusi Poisson termasuk dalam variabel acak diskrit?
Ya
Tidak
Mungkin
Sangat mungkin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menghitung probabilitas pada distribusi binomial?
P(X=k) = (n choose k) * p^(n-k) * (1-p)^k
P(X=k) = (n choose k) * p^k * (1-p)^(n-k)
P(X=k) = (n choose k) * p^k * (1-p)^(n+k)
P(X=k) = n! / k! * p^k * (1-p)^(n-k)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah variabel acak diskrit selalu memiliki nilai yang terbatas?
Tidak
Tergantung pada distribusi
Ya
Kadang-kadang
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