Probability Quiz

Important Probability Online MCQs Test 6

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This Quiz contains Probability Online MCQs Test, events, experiments, mutually exclusive events, collectively exhaustive events, sure events, impossible events, addition and multiplication laws of probability, etc. Let us start the Probability Online MCQs Test with the Answers:

Online MCQs Exam for the Post of PPSC Statistics Lecturer and Statistical Officer

1. How would you describe $P(A|B)$ in words for two sets $A$ and $B$?

 
 
 
 

2. In the context of probability, what is a sample space?

 
 
 
 

3. How would you calculate the probability that a random variable is less than 5?

 
 
 
 

4. What word describes two events that cannot occur at the same time?

 
 
 
 

5. What shows the exact probabilities for a particular value of a random variable?

 
 
 
 

6. If $A$ and $B$ are dependent events, $P(A)=0.40$ and $P(B|A)=0.35$ then $P(A \cap B)$ is

 
 
 
 

7. What is the expected value?

 
 
 
 

8. What is a random variable?

 
 
 
 

9. What is conditional probability?

 
 
 
 

10. What is a continuous random variable?

 
 
 
 

11. A conditional probability might be found in which of the following ways?

 
 
 
 

12. A fair coin is tossed 50 times, and the expected number of heads is:

 
 
 
 

13. What is a probability?

 
 
 
 

14. Events having an equal chance of occurrence are called

 
 
 
 

15. $P(A\cap B() = P(A) P(B|A)$, then $A$ and $B$ are

 
 
 
 

16. How would you describe $P(A \cap B)$ in words for two sets $A$ and $B$?

 
 
 
 

17. The subset of a sample space is called

 
 
 
 

18. In the context of probability, what is an outcome?

 
 
 
 

19. The probability of an event happening is $\frac{1}{3}$. The probability of it not happening is?

 
 
 
 

20. $A$ and $B$ are two mutually exclusive events. The probability of $A$ happening is $\frac{1}{4}$. The probability of $BB$ happening is $\frac{1}{3}$. The probability of neither $A$ nor $B$ happening is?

 
 
 
 

Question 1 of 20

Probability Online MCQs Test

Probability Online MCQs Test

  • In the context of probability, what is an outcome?
  • What is a probability?
  • How would you calculate the probability that a random variable is less than 5?
  • In the context of probability, what is a sample space?
  • What word describes two events that cannot occur at the same time?
  • What is the expected value?
  • What is conditional probability?
  • What is a continuous random variable?
  • What shows the exact probabilities for a particular value of a random variable?
  • How would you describe $P(A \cap B)$ in words for two sets $A$ and $B$?
  • How would you describe $P(A|B)$ in words for two sets $A$ and $B$?
  • What is a random variable?
  • $A$ and $B$ are two mutually exclusive events. The probability of $A$ happening is $\frac{1}{4}$. The probability of $BB$ happening is $\frac{1}{3}$. The probability of neither $A$ nor $B$ happening is?
  • The probability of an event happening is $\frac{1}{3}$. The probability of it not happening is?
  • A conditional probability might be found in which of the following ways?
  • A fair coin is tossed 50 times, and the expected number of heads is:
  • If $A$ and $B$ are dependent events, $P(A)=0.40$ and $P(B|A)=0.35$ then $P(A \cap B)$ is
  • $P(A\cap B() = P(A) P(B|A)$, then $A$ and $B$ are
  • The subset of a sample space is called
  • Events having an equal chance of occurrence are called

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