Probability

Introduction to Probability, Rules of Probability, Addition, Multiplication, and conditional probability, Bayes’ Theorem, Permutation and Combination

Best Probability Questions and Answers 8

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Online MCQs Probability Questions and Answers. The Quiz covers topics of rules of counting, events, and types of events such as mutually exclusive and exhaustive events, sample space, Rules of Probability, etc. Let us start with the MCQs Probability Questions and Answers.

Online MCQs Probability with Answers

1. If the event contains no number in it, then the probability of such event will be

 
 
 
 

2. A single letter is selected at random from the word “STATISTICS” the probability that it is a vowel is ———-.

 
 
 
 

3. If $P(B)\ne 0$, then the conditional probability $P(A|B)$ is defined a

 
 
 
 

4. If $P(A)=0.3$, $P(B)=0.8$, $P(A\cap B)=0.24$ then the events $A$ and $B$ are

 
 
 
 

5. The probability of drawing any one spade card is

 
 
 
 

6. If $E$ is an impossible event, then $P(E)$ is

 
 
 
 

7. A single letter is selected at random from the word “PROBABILITY”, the probability that it is a vowel is ———.

 
 
 
 

8. If $A$ and $B$ are two non-mutually exclusive events then $P(A\cup B)=$

 
 
 
 

9. If $A$ and $B$ are two independent events then $P(A)\dot P(B)=$

 
 
 
 

10. The probability of drawing a white ball from a bag of 6 red, 8 black, 10 green, and 5 white balls is

 
 
 
 

11. A student solved 160 questions out of 350. The probability of solving the next is

 
 
 
 

12. When two dice are rolled, the probability of getting similar faces.

 
 
 
 

13. For two independent events $A$ and $B$, if $P(A)=0.12$, $P(B)=0.2$ then $P(A\cap B)=$?

 
 
 
 

14. $P(A\cap B)=P(A)\dot P(B)$ then events $A$ and $B$ are

 
 
 
 

15. $P(A\cup B)=P(A) + P(B)$, if $A$ and $B$ are

 
 
 
 

16. $P(A)=0.2$, $P(B)=0.5$. If $A, B$, and $C$ are mutually exclusive events then $P(C)$ is

 
 
 
 

17. If $P(A \cup B)=0.8$, $P(A)=0.4$, $P(A\cap B)=0.3$ then the values of $P(C)$ is

 
 
 
 

18. $P(A)=0.7$, $P(B)=0.5$. If $A$ and $B$ are independent then $P(A \cap B)=$?

 
 
 
 

19. In tossing two dice, the probability of obtaining 4 as the sum of the resultant faces is ———-.

 
 
 
 

20. The probability of a red card out of 52 cards is

 
 
 
 

Question 1 of 20

Probability Questions and Answers

  • In tossing two dice, the probability of obtaining 4 as the sum of the resultant faces is ———-.
  • The probability of a red card out of 52 cards is
  • A single letter is selected at random from the word “STATISTICS” the probability that it is a vowel is ———-.
  • A single letter is selected at random from the word “PROBABILITY”, the probability that it is a vowel is ———.
  • When two dice are rolled, the probability of getting similar faces.
  • $P(A)=0.2$, $P(B)=0.5$. If $A, B$, and $C$ are mutually exclusive events then $P(C)$ is
  • $P(A)=0.7$, $P(B)=0.5$. If $A$ and $B$ are independent then $P(A \cap B)=$?
  • For two independent events $A$ and $B$, if $P(A)=0.12$, $P(B)=0.2$ then $P(A\cap B)=$?
  • If $P(A)=0.3$, $P(B)=0.8$, $P(A\cap B)=0.24$ then the events $A$ and $B$ are
  • If $P(A \cup B)=0.8$, $P(A)=0.4$, $P(A\cap B)=0.3$ then the values of $P(C)$ is
  • The probability of drawing any one spade card is
  • The probability of drawing a white ball from a bag of 6 red, 8 black, 10 green, and 5 white balls is
  • A student solved 160 questions out of 350. The probability of solving the next is
  • If $E$ is an impossible event, then $P(E)$ is
  • If the event contains no number in it, then the probability of such event will be
  • If $P(B)\ne 0$, then the conditional probability $P(A|B)$ is defined a
  • If $A$ and $B$ are two independent events then $P(A)\dot P(B)=$
  • $P(A\cup B)=P(A) + P(B)$, if $A$ and $B$ are
  • If $A$ and $B$ are two non-mutually exclusive events then $P(A\cup B)=$
  • $P(A\cap B)=P(A)\dot P(B)$ then events $A$ and $B$ are
Probability Questions and Answers

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Important MCQs Probability Quiz Answers 7

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Online MCQs Probability Quiz Answers. The Quiz covers topics of rules of counting, events, and types of events such as mutually exclusive and exhaustive events, sample space, Rules of Probability, etc. Let us start with the MCQs Probability Quiz Answers.

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Online MCQs Probability Quiz Answers

  • In how many ways can 6 persons be seated on a sofa set with three seats?
  • The number of ways in which four books can be arranged on a shelf is
  • Number of ways a committee of 3 members can be selected from 5 members
  • $^nC_r=$
  • $^5P_1=$
  • Two events are called collectively exhaustive if $A\cup B=$
  • If $A \cap B=\phi$, then the events $A$ and $B$ are called
  • When a coin is tossed, the sample space is
  • A coin is tossed three times in succession the number of sample points in the sample space is
  • Three coins are tossed together, the sample will consist of ———- sample points.
  • When a die and coin are rolled there are sample points.
  • When a pair of dice is rolled, the sample space consists of
  • Total number of ways when three fair dice are thrown
  • If three cards are drawn from a pack of 52 cards, then sample space is
  • The probability of an event always lies between
  • The probability of an event cannot be
  • The sum of probabilities of all mutually exclusive events of an experiment will be
  • In tossing two perfect coins the probability that at least one head will occur is
  • If a coin is tossed thrice then the probability of three heads is
  • Three coins are tossed, ———- is the probability of getting at least one head.
MCQs Probability Quiz Answers

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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:

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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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