
Statistika Matematika I
Authored by Dian Anggraini
Mathematics
University
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10 questions
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1.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Misalkan peubah acak X menyatakan satu balon udara mengeriput (mengecil) setelah terpapar sinar matahari dalam waktu yang lama berdistribusi Poisson dengan . Tentukan nilai lamda ( )
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Misalkan peubah acak X menyatakan satu balon udara mengeriput setelah terpapar sinar matahari dalam waktu yang lama berdistribusi Poisson dengan . Tentukan peluang lebih dari dua balon udara akan mengalami keriput.
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Suatu koin setimbang dilantunkan sebanyak 4 kali dengan fungsi peluang . Tentukan nilai harapan jika setiap koin yang dilantunkan dikurang 3.
4.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Pak Budi adalah seorang petani. Rata-rata ia dapat membajak 3/4 hektar sawahnya dalam waktu satu menit. Jika pak Budi mengajak 10 orang temannya, berapa peluang tepat 5 orang dapat membajak 3/4 hektar sawah tersebut dalam waktu satu menit.
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Misalkan peluang sembuh seorang pasien Covid-19 adalah 0.75. Jika diketahui terdapat 99 orang yang positif Covid-19, tentukan variansi dari pasien Covid-19.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Banyaknya hasil percobaan tidak bergantung pada banyaknya hasil percobaan lain merupakan ciri dari distribusi ...
Gamma
Poisson
Normal
Binomial
Eksponensial
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nilai rataan dan variansi dari distribusi ......... adalah sama.
Normal
Poisson
Eksponensial
Binomial
Seragam
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