Important Probability MCQs Online Test 9

The post is about the Probability MCQS Online Test. There are 20 multiple-choice questions covering the basics of probability, events and types of events, rules of probability, subjective and classical probability, etc. Let us start with the Probability MCQs Online Test.

Online multiple-choice questions about Probability

1. If a card is chosen from a standard deck of cards, what is the probability of getting a five or a face card?

 
 
 
 

2. If $P(B|A) = P(B)$ then $A$ and $B$ are

 
 
 
 

3. Which one of the following statements is false?

 
 
 
 

4. A letter is chosen at random from the word MATHEMATICS, the probability of getting $M$ is

 
 
 
 

5. A personal manager selects an applicant at random from a large group for an interview. The probability of the applicant being male is 0.60. The probability of selecting an adult is 0.70. The probability of selecting an adult male is 0.45. Given that a male is selected, the probability that he is an adult is:

 
 
 
 

6. From the following table, what is the probability of selecting a female university graduate student from this group?

MCQs Probability Quiz

 
 
 
 

7. Which of the following is a collection of all mutually exclusive events representing a card randomly selected from a deck of ordinary playing cards?

 
 
 
 

8. If you have two standard decks of cards (one with a blue back and the other with a red back), you draw one card from each. What is the probability that the blue-backed card is a heart or the red-backed card is a black card?

 
 
 
 

9. A die is rolled. What is the probability that the number rolled is greater than 2 and even

 
 
 
 

10. If $A$ and $B$ are independent events, $P(A) = 0.45, P(B) = 0.60$ then $P(A \cap B)$ is

 
 
 
 

11. Subjective probabilities are assigned to the events $A$ and $B$, which comprise a sample space. Which of the following probability statements is not valid?

 
 
 
 

12. If a card is chosen from a standard deck of cards, what is the probability of getting a diamond or a club?

 
 
 
 

13. Which one of the following statements is not true?

 
 
 
 

14. The probability of drawing one white ball from a bag containing 2 white, 3 blue, and 3 black balls is

 
 
 
 

15. If you roll a pair of dice, what is the probability that (at least) one dice is a 1 or the sum of the dice is 9?

 
 
 
 

16. If a card is chosen from a standard deck of cards, what is the probability of getting a two or a five?

 
 
 
 

17. Indicate in which one of the following situations the events $A$ and $B$ are independent:

 
 
 
 

18. If a letter is chosen at random from the 10 letters of the word STATISTICS, what is the probability that it is a vowel?

 
 
 
 

19. Which of the following are collectively exhaustive events representing a card randomly selected from a deck of ordinary playing cards?

 
 
 
 

20. A marginal probability might be found by any but which one of the following?

 
 
 
 

Probability MCQs Online Test

Probability MCQs Online Test
  • A die is rolled. What is the probability that the number rolled is greater than 2 and even
  • If you have two standard decks of cards (one with a blue back and the other with a red back), you draw one card from each. What is the probability that the blue-backed card is a heart or the red-backed card is a black card?
  • If you roll a pair of dice, what is the probability that (at least) one dice is a 1 or the sum of the dice is 9?
  • If a card is chosen from a standard deck of cards, what is the probability of getting a diamond or a club?
  • If a card is chosen from a standard deck of cards, what is the probability of getting a two or a five?
  • If a card is chosen from a standard deck of cards, what is the probability of getting a five or a face card?
  • If a letter is chosen at random from the 10 letters of the word STATISTICS, what is the probability that it is a vowel?
  • From the following table, what is the probability of selecting a female university graduate student from this group?
  • Subjective probabilities are assigned to the events $A$ and $B$, which comprise a sample space. Which of the following probability statements is not valid?
  • A personal manager selects an applicant at random from a large group for an interview. The probability of the applicant being male is 0.60. The probability of selecting an adult is 0.70. The probability of selecting an adult male is 0.45. Given that a male is selected, the probability that he is an adult is:
  • Which of the following is a collection of all mutually exclusive events representing a card randomly selected from a deck of ordinary playing cards?
  • Which of the following are collectively exhaustive events representing a card randomly selected from a deck of ordinary playing cards?
  • Indicate in which one of the following situations the events $A$ and $B$ are independent:
  • Which one of the following statements is false?
  • A marginal probability might be found by any but which one of the following?
  • Which one of the following statements is not true?
  • If $A$ and $B$ are independent events, $P(A) = 0.45, P(B) = 0.60$ then $P(A \cap B)$ is
  • The probability of drawing one white ball from a bag containing 2 white, 3 blue, and 3 black balls is
  • A letter is chosen at random from the word MATHEMATICS, the probability of getting $M$ is
  • If $P(B|A) = P(B)$ then $A$ and $B$ are
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