Ehtimollik ta'riflari — 10-sinf Algebra test savollari

1.Qutida 5 ta qizil va 3 ta ko'k shar bor. Qutidan tasodifiy olingan bitta shar qizil bo'lish ehtimolligini toping.

• A)$\frac{5}{8}$
• B)$\frac{3}{8}$
• C)$\frac{5}{3}$
• D)$\frac{1}{8}$

2.Bitta soqqa tashlanganda 4 dan katta son tushish ehtimolligini toping.

• A)$\frac{1}{3}$
• B)$\frac{2}{3}$
• C)$\frac{1}{2}$
• D)$\frac{1}{6}$

3.Ikkita tanga tashlanganda ikkalasida ham gerb tushish ehtimolligini toping.

• A)$\frac{1}{4}$
• B)$\frac{1}{2}$
• C)$\frac{3}{4}$
• D)1

4.Qutida 4 ta oq va 6 ta qora sharlar bor. Tasodifiy olingan shar qora bo'lish ehtimolligini toping.

• A)0,6
• B)0,4
• C)0,5
• D)0,1

5.Bitta soqqa tashlanganda juft son tushish ehtimolligini toping.

• A)$\frac{1}{2}$
• B)$\frac{1}{3}$
• C)$\frac{1}{6}$
• D)$\frac{2}{3}$

6.1 dan 20 gacha raqamlangan qog'ozlardan tasodifiy tanlanganda 5 ga karrali son chiqish ehtimolligini toping.

• A)$\frac{1}{5}$
• B)$\frac{1}{4}$
• C)$\frac{1}{20}$
• D)$\frac{4}{5}$

7.A hodisaning ehtimolligi P(A)=0,3 bo'lsa, qarama-qarshi hodisa Ā ning ehtimolligini toping.

• A)0,7
• B)0,3
• C)-0,3
• D)1,3

8.Muqarrar hodisaning ehtimolligi nechaga teng?

• A)1
• B)0
• C)0,5
• D)aniqlanmagan

9.Mumkin bo'lmagan hodisaning ehtimolligi nechaga teng?

• A)0
• B)1
• C)0,5
• D)-1

10.Klassik ehtimollik ta'rifiga ko'ra P(A) formulasini ko'rsating (m — hodisaga qulay natijalar soni, n — barcha teng imkoniyatli natijalar soni).

• A)$P\left(A\right)=\frac{m}{n}$
• B)$P\left(A\right)=\frac{n}{m}$
• C)P(A)=m·n
• D)P(A)=m+n