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# MCQs of Probability Theory

## MCQs of Probability Theory

1. When we throw a coin then what is the probability of getting head?

A. 1/2
B. 3
C. 4
D. 1

A

2. When we throw a coin then what is the probability of getting a tail?
A. 2
B. 1/2
C. 5
D. 0

B

3. When we tossed three unbiased coins then what is the probability of getting at least 2 tails?
A. 1/6
B. 1/3
C. 1/2
D. 0

C

4. When we throw a dice then what is the probability of getting the number greater than 5?
A. 1/5
B. 1/6
C. 1/2
D. 1/3

B

5. When we throw two dice then what is the probability of getting a sum 9?
A. 2/9
B. 1/12
C. 1/9
D. All of these

C

6. Events which can never occur together In probability theories then it is classified as?
A. mutually exclusive events
B. collectively exclusive events
C. mutually exhaustive events
D. None of these

A

7. If J and K will be two variables then the Joint probability of independent events J and K is equal to?
A. P(J) + P(K)
B. P(J) * P(K)
C. P(J) * P(K) – P(J * K)
D. P(J) * P(K) + P(J-K)

B

8. All possible outcomes for a random experiment are called?
A. sample space
B. event space
C. numerical space
D. both b and c

D

9. What is the marginal probability of dependent events and independent events?
A. one
B. different
C. same
D. All of these Prof. Fzal Rehman ShamilInstructor, Researcher, Blogger, SEO Expert, Poet and Publisher of International Journal Of Software, Technology & Science ISSN : 2616 - 5325