Ehtimоllar nazariyasi va matematik statistika

N 60. Fan bobi – 1, Fan bo‘limi – 3, Qiyinchilik darajasi 2.

funksiya tasodifiy miqdorning taqsimot funksiyasi bo’lsin. Noto’g’ri javobni toping.

N 61. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

3 ta oq, 2 ta qora shar solingan idishdan tavakkaliga 2 ta shar olingan. Olingan sharlarning bir xil rangli bo’lish ehtimolini toping.

N 62. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

Radiusi 6 ga teng bo’lgan doiraga radiusi 2 ga teng bo’lgan doira ichki chizilgan. Katta doiraga tavakkaliga nuqta tashlangan.Tashlangan nuqtaning kichik doiraga tushish ehtimolini toping.

N 63. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

4 ta talaba ehtimollar nazariyasidan yakuniy nazoratga bir xil tayyorgarlik ko’rgan.Tasodifan tanlangan talabaning yakuniy nazoratdan o’ta olish ehtimoli ga teng bo’lsa, 2 ta talabaning yakuniy nazoratdan o’tish ehtimolini toping.

N64. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

hodisalar o’zaro bog’liq emas va ehtimolni toping.

0,7

0,28

0,4

N65. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

Agar bo’lsa, A va B hodisalar haqida nima deyish mumkin?

Bog‘liq

Bog‘liqmas

Birgalikda emas

Qarama-qarshi

N 66. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

hodisaning ehtimoli ga teng. hodisaning ehtimolini toping.

0,86

0,72

0,82

0,76

N 67. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 1.

Bitta o’yin soqqasi tashlanayotgan bo’lsin.-toq son tushish hodisasi,- dan kichik son tushish hodisasi bo’lsin. hodisaning ehtimolini toping.