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

Answer - Click Here:
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

Answer - Click Here:
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

Answer - Click Here:
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

Answer - Click Here:
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

Answer - Click Here:
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

Answer - Click Here:
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)

Answer - Click Here:
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

Answer - Click Here:
D

9. What is the marginal probability of dependent events and independent events?
A. one
B. different
C. same
D. All of these

Answer - Click Here:
C

10. When we consider an event B then non-occurrence of event B is?
A. A is equal to zero
B. intersection of A
C. complement of A
D. union of A

Answer - Click Here:
C