Probability Quizzes: Test Your Understanding of Chance and Probability

Question 1

What is the probability of rolling a 6 on a standard six-sided die?

Accepted Answer

1 in 6

Answer

1 in 2

Answer

1 in 3

Answer

1 in 4

Question 2

A survey of 100 students found that 60% of them enjoy playing football. What is the probability that a randomly selected student in the survey enjoys playing football?

Accepted Answer

0.6

Answer

0.3

Answer

0.4

Answer

0.7

Question 3

A six-sided die is rolled. What is the probability of rolling a number greater than 3?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 4

A box contains 12 balls, numbered 1 to 12. Two balls are drawn without replacing them. What is the probability that the first ball drawn is even and the second ball is odd?

Accepted Answer

1/24

Answer

1/12

Answer

1/36

Answer

1/48

Question 5

In a game, players roll a dice five times. They win if they roll a 6 at least once. What is the probability of winning?

Accepted Answer

0.84

Answer

0.5

Answer

0.66

Answer

0.75

Question 6

A bag contains 10 marbles of various colors. If 3 marbles are drawn without returning them, what is the probability of drawing three different colors?

Accepted Answer

1/30

Answer

1/10

Answer

1/20

Answer

1/120

Question 7

A survey found that 60% of 100 people like chocolate and 40% like vanilla. If two people are chosen randomly, what is the probability that both like vanilla?

Accepted Answer

0.16

Answer

0.25

Answer

0.36

Answer

0.49

Question 8

Which of the following is NOT an outcome in the sample space when rolling a fair six-sided die?

Accepted Answer

Rolling a 7

Answer

Rolling a 1

Answer

Rolling an even number

Answer

Rolling a number greater than 3

Question 9

A bag contains 3 red marbles, 4 blue marbles, and 5 green marbles. What is the probability of drawing a green marble?

Accepted Answer

5/12

Answer

1/3

Answer

1/4

Answer

1/2

Question 10

A coin is flipped twice. What is the probability of getting tails on both flips?

Accepted Answer

1/8

Answer

1/4

Answer

1/2

Answer

1

Question 11

A survey of 200 students found that 120 liked Math. What is the experimental probability that a student likes Math?

Accepted Answer

0.6

Answer

0.5

Answer

0.4

Answer

0.3

Question 12

A box contains 6 black balls and 4 white balls. If two balls are drawn without replacement, what is the probability that the second ball drawn is white, given that the first ball drawn was black?

Accepted Answer

2/5

Answer

1/5

Answer

3/5

Answer

4/5

Question 13

If the chance of an event happening is 0.7, what is the chance of it not happening?

Accepted Answer

0.3

Answer

0.4

Answer

0.5

Answer

0.6

Question 14

A bag contains 10 balls: 4 red, 3 blue and the rest green. If you draw two balls without replacing them, what is the chance the first is red and the second is blue?

Accepted Answer

2/9

Answer

1/5

Answer

4/15

Answer

1/3

Question 15

An experiment involves drawing a card from a deck of 52 and replacing it. What is the chance of drawing a heart?

Accepted Answer

1/4

Answer

1/5

Answer

1/6

Answer

1/8

Question 16

A survey of 200 people found that 120 like cats, 100 like dogs and 60 like both. What is the chance a randomly selected person likes only cats?

Accepted Answer

0.3

Answer

0.2

Answer

0.4

Answer

0.5

Question 17

A fair coin is flipped 100 times and lands on heads 60 times. What is the experimental probability of obtaining heads?

Accepted Answer

0.6

Answer

0.5

Answer

0.7

Answer

0.8

Question 18

Two fair dice are rolled. What is the probability of obtaining a sum of 7?

Accepted Answer

1/12

Answer

1/6

Answer

1/18

Answer

1/24

Question 19

A multiple-choice test has 10 questions, each with 4 options. If a student guesses randomly on each question, what is the probability that they will answer all questions correctly?

Accepted Answer

1/4^10

Answer

1/10^4

Answer

4^10

Answer

10^4

Question 20

A bag contains 5 red balls, 3 blue balls, and 2 green balls. If you draw one ball from the bag at random, what is the probability of drawing a blue ball?

Accepted Answer

3/10

Answer

1/2

Answer

1/5

Answer

1/3

Question 21

A fair six-sided die is rolled. What is the probability of getting a number greater than 3?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 22

A bag contains 6 red marbles, 4 blue marbles, and 5 green marbles. If two marbles are drawn without replacement, what is the probability of drawing a blue marble first and then a green marble?

Accepted Answer

4/15

Answer

1/15

Answer

8/15

Answer

12/15

Question 23

A bag contains 5 red balls, 3 blue balls, and 2 green balls. If a ball is randomly drawn, what is the probability of drawing a blue ball?

Accepted Answer

1/3

Answer

1/2

Answer

1/4

Answer

1/5

Question 24

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the experimental probability of drawing a blue marble from the bag?

Accepted Answer

3/10

Answer

1/5

Answer

1/4

Answer

1/2

Question 25

A fair coin is flipped twice. What is the probability of getting heads on the first flip and tails on the second flip?

Accepted Answer

1/8

Answer

1/4

Answer

1/2

Answer

3/4

Question 26

The probability of rain tomorrow is 0.6. What is the probability that it will not rain tomorrow?

Accepted Answer

0.4

Answer

0.5

Answer

0.6

Answer

0.8

Question 27

A fair six-sided die is rolled. What is the probability that the number rolled is an even prime number?

Accepted Answer

1/12

Answer

1/3

Answer

1/4

Answer

1/6

Question 28

Two cards are drawn from a standard deck of 52 playing cards without replacement. What is the probability that the first card drawn is a heart and the second card drawn is a spade?

Accepted Answer

1/221

Answer

1/104

Answer

1/52

Answer

1/26

Question 29

During a fair coin toss, what is the probability of obtaining heads?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

2/3

Question 30

When two dice are rolled, what is the probability of obtaining a sum of 7?

Accepted Answer

1/12

Answer

1/6

Answer

1/9

Answer

1/18

Question 31

A lottery involves 200 tickets, each with a 1 in 100 chance of winning. What is the probability that at least one ticket will win?

Accepted Answer

0.99

Answer

0.01

Answer

0.5

Answer

0.2

Question 32

From a bag containing 4 red, 3 blue, and 2 green marbles, if a marble is drawn at random, what is the probability of drawing a green marble?

Accepted Answer

1/6

Answer

1/3

Answer

1/4

Answer

1/9

Question 33

A survey of 100 students showed that 60 preferred football, 30 preferred cricket, and 10 preferred both. What is the experimental probability that a randomly chosen student prefers football?

Accepted Answer

0.6

Answer

0.3

Answer

0.7

Answer

0.9

Question 34

A spinner with 6 equal sections, numbered 1 to 6, is spun. What is the probability of spinning a number greater than 3?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 35

A bag contains 5 red and 7 blue marbles. If two marbles are drawn without replacement, what is the probability that both marbles are blue?

Accepted Answer

7/21

Answer

5/12

Answer

7/12

Answer

5/21

Question 36

A card is drawn from a standard deck of 52 cards. What is the probability that it is a face card (jack, queen, or king)?

Accepted Answer

3/13

Answer

1/3

Answer

1/2

Answer

1/4

Question 37

A fair coin is tossed 10 times. What is the probability of getting exactly 5 heads?

Accepted Answer

252/1024

Answer

1/8

Answer

1/4

Answer

1/2

Question 38

A bag contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are drawn at random without replacement. What is the probability that the first ball is red, the second ball is blue, and the third ball is green?

Accepted Answer

16/135

Answer

1/9

Answer

1/4

Answer

1/6

Question 39

A fair coin is tossed 3 times. What is the probability of getting at least one head?

Accepted Answer

7/8

Answer

5/8

Answer

3/8

Answer

1/8

Question 40

A fair six-sided die is rolled. What is the probability that the number rolled is even?

Accepted Answer

1/2

Answer

1/4

Answer

1/6

Answer

1/3

Question 41

A survey of 100 students found that 60 students like football, 40 students like basketball, and 20 students like both football and basketball. What is the probability that a student likes either football or basketball?

Accepted Answer

80/100

Answer

20/100

Answer

60/100

Answer

40/100

Question 42

A coin is flipped twice. What is the sample space for this experiment?

Accepted Answer

{HH, HT, TH, TT}

Answer

{Even, Odd}

Answer

{H, T}

Answer

{-1, 0, 1}

Question 43

A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a blue ball?

Accepted Answer

3/8

Answer

1/2

Answer

1/5

Answer

2/5

Question 44

A bag has 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of picking a blue marble?

Accepted Answer

3/10

Answer

3/5

Answer

1/2

Answer

2/10

Question 45

A coin is flipped 10 times, landing on heads 7 times. What's the experimental probability of getting heads?

Accepted Answer

7/10

Answer

1/10

Answer

1/2

Answer

7/15

Question 46

A spinner has 4 equal sections numbered 1, 2, 3, and 4. What's the probability of spinning an odd number?

Accepted Answer

1/2

Answer

2/4

Answer

1/4

Answer

3/4

Question 47

You roll a die twice. What's the probability of getting a 6 on both rolls?

Accepted Answer

1/36

Answer

1/6

Answer

1/12

Answer

1/2

Question 48

You toss a fair coin 4 times. What is the probability of getting at least one head?

Accepted Answer

15/16

Answer

1/4

Answer

1/2

Answer

1/16

Question 49

100 students were surveyed. 60 like chocolate ice cream, 40 like strawberry, and 20 like both. What's the probability a randomly chosen student likes chocolate but not strawberry?

Accepted Answer

4/10

Answer

2/10

Answer

1/2

Answer

6/10

Question 50

You draw a card at random from a standard deck of 52 cards. What's the probability of drawing a face card (Jack, Queen, or King)?

Accepted Answer

3/13

Answer

1/4

Answer

12/52

Answer

1/13

Question 51

Two dice are rolled. What is the probability of getting a sum of 7?

Accepted Answer

1/6

Answer

1/4

Answer

1/12

Answer

1/36

Question 52

A bag has 5 red balls, 4 blue balls, and 3 green balls. What's the probability of picking a ball that's not red?

Accepted Answer

7/12

Answer

1/2

Answer

3/12

Answer

5/12

Question 53

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of picking a blue marble at random?

Accepted Answer

3/10

Answer

1/3

Answer

1/2

Answer

1/5

Question 54

A fair coin is tossed twice. What is the probability of getting two heads?

Accepted Answer

1/4

Answer

1/3

Answer

1/2

Answer

1/8

Question 55

A spinner has 6 equal sections numbered 1 to 6. What is the probability of spinning an even number?

Accepted Answer

1/2

Answer

1/6

Answer

1/3

Answer

2/3

Question 56

A dice is rolled 60 times. The results are: 1 - 12 times, 2 - 8 times, 3 - 10 times, 4 - 11 times, 5 - 9 times, and 6 - 10 times. What is the experimental probability of rolling a 5?

Accepted Answer

3/20

Answer

1/5

Answer

1/4

Answer

1/6

Question 57

A bag contains 3 red balls and 2 blue balls. Two balls are drawn at random, one after the other without replacement. What is the probability of drawing a red ball followed by a blue ball?

Accepted Answer

3/10

Answer

1/5

Answer

2/5

Answer

1/2

Question 58

A card is drawn at random from a standard deck of 52 cards. What is the probability that the card is either a king or a queen?

Accepted Answer

2/13

Answer

4/13

Answer

1/26

Answer

1/13

Question 59

A box contains 10 light bulbs, of which 3 are defective. If two bulbs are chosen at random, what is the probability that both are defective?

Accepted Answer

1/15

Answer

1/5

Answer

1/10

Answer

3/10

Question 60

A coin is tossed 4 times. What is the probability of getting at least one head?

Accepted Answer

15/16

Answer

7/8

Answer

3/4

Answer

1/2

Question 61

Two dice are rolled simultaneously. What is the probability of getting a sum of 7?

Accepted Answer

1/6

Answer

1/12

Answer

1/4

Answer

1/3

Question 62

A bag contains 4 red balls and 6 blue balls. A ball is drawn at random and then replaced. Another ball is then drawn. What is the probability that both balls are red?

Accepted Answer

4/25

Answer

2/5

Answer

1/5

Answer

1/25