Probability Quizzes: Test Your Chance and Prediction Skills

Question 1

Which of these statements about probability is accurate?

Accepted Answer

Probability is a measure of how likely an event is to occur.

Answer

Probability can be negative.

Answer

Probability can be greater than 1.

Answer

Probability is always a whole number.

Question 2

Which of these does NOT affect the chance of an event happening?

Accepted Answer

What happened before

Answer

How big the group is

Answer

The rules of a game

Question 3

A survey found that 40% of students enjoy pizza. If there are 300 students in the school, how many of them likely enjoy pizza?

Accepted Answer

120

Answer

150

Question 4

A bag contains 5 red marbles and 3 blue marbles. What is the probability of drawing a blue marble if one marble is drawn at random?

Accepted Answer

1 in 3

Answer

1 in 2

Answer

1 in 4

Answer

1 in 5

Question 5

A spinner has 6 equal sections, numbered from 1 to 6. When the spinner is spun once, what is the probability of landing on an even number?

Accepted Answer

1 in 2

Answer

1 in 3

Answer

1 in 4

Answer

1 in 6

Question 6

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

Accepted Answer

7 in 8

Answer

1 in 2

Answer

1 in 4

Answer

3 in 4

Question 7

A spinner has 8 equal sections, numbered from 1 to 8. When the spinner is spun once, what is the probability of landing on a multiple of 3?

Accepted Answer

1 in 3

Answer

1 in 2

Answer

1 in 4

Answer

1 in 8

Question 8

A coin is tossed four times. What is the probability of getting exactly two heads?

Accepted Answer

3 in 16

Answer

1 in 4

Answer

1 in 8

Answer

1 in 16

Question 9

What is the probability of the spinner landing on a vowel if it is divided into 8 equal sections, each marked with a different letter from A to H?

Accepted Answer

1/4: There are 4 vowel letters (A, E, I, O) out of 8 total letters

Answer

1/8: Only one of the 8 letters on the spinner is a vowel

Answer

1/2: Half of the letters on the spinner are vowels

Answer

1/3: There are 3 vowels out of 8 total letters

Question 10

If the probability of an event occurring is 0.7, what is the probability of it not occurring?

Accepted Answer

0.3: The sum of probabilities of an event occurring and not occurring is always 1

Answer

0.7: The probability of an event occurring and not occurring is always the same

Answer

0.5: The probability of an event not occurring is always 50%

Answer

Cannot be determined: The probability of an event not occurring cannot be determined without more information

Question 11

A bag contains 5 red balls, 3 blue balls, and 2 yellow balls. What is the chance of picking a yellow ball?

Accepted Answer

1 in 5

Answer

1 in 2

Answer

1 in 3

Answer

1 in 10

Question 12

A coin is tossed twice. What is the probability of getting heads on both tosses?

Accepted Answer

1 in 4

Answer

1 in 2

Answer

1 in 1

Answer

2 in 1

Question 13

A bag contains 4 red marbles, 6 blue marbles, and 5 green marbles. If one marble is drawn at random, what is the probability of drawing a blue marble?

Accepted Answer

1 in 3

Answer

1 in 2

Answer

2 in 3

Answer

3 in 4

Question 14

Imagine you roll a fair dice. What is the probability of rolling a 6?

Accepted Answer

1/6

Answer

1/3

Answer

1/4

Answer

1/5

Question 15

Which of the following is an event that is guaranteed to happen?

Accepted Answer

Drawing a red marble from a bag containing only red marbles

Answer

Rolling a 6 on a dice

Answer

Tossing a coin and getting a tail

Answer

Flipping a coin and getting a head or a tail

Question 16

Which of these games is fair?

Accepted Answer

A game where both players have an equal chance of winning

Answer

A game where one player has a 60% chance of winning

Answer

A game where one player has a 100% chance of winning

Answer

A game where one player has a 20% chance of winning

Question 17

When a coin is flipped, is there an equal possibility of getting heads or tails?

Accepted Answer

Yes

Answer

No

Question 18

On a spinner with six equal sections, each numbered from 1 to 6, what is the chance of landing on the number 3?

Accepted Answer

1 in 6

Answer

1 in 2

Answer

1 in 3

Answer

1 in 4

Question 19

If you roll two dice, what is the probability of rolling a 7?

Accepted Answer

1 in 12

Answer

1 in 3

Answer

1 in 6

Answer

1 in 9

Question 20

A fair six-sided die is rolled. What is the probability that the number rolled will be greater than 4?

Accepted Answer

1 in 3

Answer

1 in 2

Answer

1 in 4

Answer

1 in 6

Question 21

Which of these is an example of a compound event?

Accepted Answer

Rolling a 6 on a dice and flipping a heads on a coin

Answer

Rolling a 6 on a dice

Answer

Flipping a heads on a coin

Answer

Drawing a red marble from a bag

Question 22

A fair spinner has 4 equal sections labeled A, B, C, D. If you spin the spinner once, what are the chances that it lands on section C or D?

Accepted Answer

3 in 4

Answer

1 in 4

Answer

1 in 2

Answer

1 in 8

Question 23

Which of these is an example of a subjective probability?

Accepted Answer

The probability of winning a lottery

Answer

The probability of rolling a 6 on a dice

Answer

The probability of the sun rising tomorrow

Answer

The probability of a coin landing on heads

Question 24

Which number is not a possible outcome when rolling a standard six-sided dice?

Accepted Answer

7

Answer

1

Answer

3

Answer

5

Question 25

A bag contains 4 red marbles, 6 blue marbles, and 2 green marbles. If you pick a marble randomly, what is the probability that it is not blue?

Accepted Answer

2 in 5

Answer

1 in 6

Answer

1 in 4

Answer

1 in 3

Question 26

Which of the following does NOT affect the likelihood of an event?

Accepted Answer

Luck

Answer

Conditions of the experiment

Answer

Past outcomes

Answer

Sample Size

Question 27

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

Accepted Answer

5/16

Answer

3/16

Answer

10/24

Answer

12/24

Question 28

A lottery has 100 tickets, and only 1 ticket is a winner. If you buy 10 tickets, what is the probability that you will win the lottery?

Accepted Answer

1/100

Answer

1/10

Answer

10/100

Answer

50/100

Question 29

A bag contains 5 red balls, 3 blue balls, and 2 green balls. If a ball is drawn at random, what is the probability that it is not green?

Accepted Answer

4 in 5

Answer

1 in 5

Answer

2 in 5

Answer

3 in 5

Question 30

Which of the following is NOT a factor that affects the probability of an event?

Accepted Answer

Luck

Answer

Number of possible outcomes

Answer

Number of favourable outcomes

Answer

Size of the population

Question 31

True or False: The probability of an event can be greater than 1?

Accepted Answer

False

Answer

True

Question 32

A survey is conducted among 100 students, and 60 of them enjoy playing football. What is the experimental probability that a randomly chosen student enjoys playing football?

Accepted Answer

0.6

Answer

0.5

Answer

0.7

Answer

0.8

Question 33

Which of the following is an example of an event with a probability of 0? Remember, probability of 0 means the event cannot happen.

Accepted Answer

Drawing a red card from a deck with no red cards

Answer

Rolling a 6 on a standard six-sided die

Answer

Flipping a coin and getting tails

Answer

Getting a head when flipping a coin

Question 34

A game has 4 different coloured cards. You pick a card without looking. What is the probability of not picking a red card? Remember, the probability of an event and its complement add up to 1.

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

4/4

Question 35

A box contains 4 red, 6 blue, and 8 green marbles. If you pick a marble randomly, what's the probability of it not being red?

Accepted Answer

¾

Answer

½

Answer

⅓

Answer

¼

Question 36

When rolling a standard six-sided dice, what's the probability of getting a 6?

Accepted Answer

1/6

Answer

1/2

Answer

1/3

Answer

1/4

Question 37

A bag holds 5 red and 3 blue marbles. If you pick one randomly, what's the likelihood of getting blue?

Accepted Answer

1/3

Answer

1/2

Answer

1/4

Answer

1/8

Question 38

A spinner has 4 equal sections labeled A, B, C, and D. What's the probability of spinning the letter C?

Accepted Answer

1/4

Answer

1/2

Answer

1/3

Answer

1/8

Question 39

What's the probability of an event that will definitely happen?

Accepted Answer

1

Answer

0

Answer

0.5

Answer

Can't be determined

Question 40

A spinner has 4 equal sections, colored red, blue, green, and yellow. What is the chance of spinning blue?

Accepted Answer

1 in 4

Answer

1 in 2

Answer

1 in 3

Answer

1 in 8

Question 41

A bag has some red and blue counters. If the chance of randomly choosing a blue counter is 0.4, what is the chance of choosing a red counter?

Accepted Answer

0.6

Answer

0.4

Answer

0.2

Answer

0.8

Question 42

A standard six-sided die is rolled. What is the probability of getting a 6?

Accepted Answer

1 in 6

Answer

1 in 3

Answer

1 in 2

Answer

1 in 4

Question 43

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

Accepted Answer

1 in 3

Answer

1 in 2

Answer

1 in 5

Answer

1 in 10

Question 44

A bag contains 3 red marbles, 2 blue marbles, and 1 yellow marble. Two marbles are drawn with replacement. What is the probability of drawing two red marbles?

Accepted Answer

9/25

Answer

1/10

Answer

1/5

Answer

3/10

Question 45

A box contains 4 green balls, 3 blue balls, and 2 red balls. If you draw two balls at random without replacing them, what is the probability of drawing a green ball and then a blue ball?

Accepted Answer

9/35

Answer

1/4

Answer

1/6

Answer

1/10

Question 46

When you flip a fair coin four times, what is the probability of getting at least one head?

Accepted Answer

15/16

Answer

1/16

Answer

1/2

Answer

3/4

Question 47

A bag contains 8 red marbles and 6 blue marbles. If you draw two marbles at random with replacement, what is the probability of drawing two red marbles?

Accepted Answer

32/55

Answer

1/2

Answer

1/4

Question 48

A group of 6 friends is playing a game, and each friend has a 1/3 chance of winning. What is the probability that at least one of them wins?

Accepted Answer

1 - (2/3)^6

Answer

(2/3)^6

Answer

1/6

Answer

1 - (1/3)^6