Kombinatorika elementlari. Maʻlumotlar tahlili. Ehtimollar nazariyasi

Question 1

Qopchada har biri 8 tadan moviy va qizil sharlar bor. Ketma-ket olingan ikki shardan ikkalasining ham moviy bo‘lish ehtimolligini toping.

Accepted Answer

$\frac{7}{30}$

Answer

$\frac14$

Answer

$\frac{7}{15}$

Answer

$\frac18$

Question 2

6 ta xodimdan ixtiyoriy 2 tasini necha xil usulda tanlab olish mumkin?

Accepted Answer

15

Answer

10

Answer

30

Answer

12

Question 3

2 ta bo‘sh o‘rindiqqa 3 kishidan 2 nafarini necha xil usulda o‘tqazish mumkin?

Accepted Answer

6

Answer

4

Answer

5

Answer

3

Question 4

Diagrammadagi ma’lumotlardan foydalanib xonadonning umumiy maydoni yuzini toping.

Accepted Answer

27 m$^2$

Answer

24 m$^2$

Answer

28 m$^2$

Answer

25 m$^2$

Question 5

6; 7; 8 raqamlaridan foydalanib (raqamlari takrorlanmaydigan) nechta uch xonali natural son hosil qilish mumkin?

Accepted Answer

6

Answer

4

Answer

5

Answer

3

Question 6

3 ta to‘g‘ri chiziq tekislikni ko‘pi bilan nechta qismga ajratadi?

Accepted Answer

7

Answer

6

Answer

3

Answer

4

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