Probability Quizzes: Test Your Chance and Probability Skills

Question 1

Which method is NOT used to calculate probability?

Accepted Answer

Counting all possible events

Answer

Theoretical probability

Answer

Experimental probability

Answer

Dividing the number of favorable outcomes by the number of possible outcomes

Question 2

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

Accepted Answer

3/8

Answer

5/8

Answer

1/2

Question 3

What is the complement of the event 'rolling an odd number on a die'?

Accepted Answer

Rolling an even number

Answer

Rolling a prime number

Answer

Rolling a number greater than 3

Question 4

Which of the following is NOT a mutually exclusive event?

Accepted Answer

Rolling an even or odd number on a dice

Answer

Drawing a black or red card from a deck of cards

Answer

Getting a head or a tail when tossing a coin

Question 5

A spinner is divided into 8 equal sections, numbered 1 to 8. If the spinner is spun once, what is the probability of landing on a number greater than 4?

Accepted Answer

3/8

Answer

1/4

Answer

1/2

Answer

1/8

Question 6

Two dice are rolled. What is the probability of rolling a sum of 7 or 11?

Accepted Answer

1/12

Answer

1/6

Answer

1/18

Answer

1/24

Question 7

From a bag containing 6 red, 4 blue, and 2 green marbles, what's the probability of randomly picking a blue marble?

Accepted Answer

2/5

Answer

1/3

Answer

1/2

Answer

3/5

Question 8

Rolling a fair six-sided die, what's the probability of getting a number greater than 4?

Accepted Answer

2/3

Answer

1/3

Answer

1/2

Answer

1/6

Question 9

Drawing a card from a 52-card deck, what's the probability of getting a queen or a heart?

Accepted Answer

4/13

Answer

1/13

Answer

1/4

Answer

1/2

Question 10

A number cube has 6 sides, each numbered from 1 to 6. What is the probability of rolling an even number?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 11

In a school with 600 students, it is estimated that 45% enjoy reading. How many students approximately enjoy reading?

Accepted Answer

270

Answer

240

Answer

300

Answer

360

Question 12

Which of the following is a possible probability value?

Accepted Answer

0.25

Answer

-0.5

Answer

1.5

Answer

2

Question 13

Which of the following is an example of an independent event?

Accepted Answer

Drawing a card from a deck, then drawing another card from the same deck with replacement.

Answer

Drawing a red marble from a bag, then drawing another marble from the same bag without replacement.

Answer

Flipping a coin and getting heads, then flipping the coin again and getting tails.

Answer

Rolling a 6 on a number cube, then rolling another 6 on the same number cube.

Question 14

A town has 500 people, of whom 200 have brown hair. What is the probability that a randomly selected person from this town has brown hair?

Accepted Answer

0.4

Answer

0.2

Answer

0.6

Answer

0.8

Question 15

What is the definition of probability in the context of an event?

Accepted Answer

How likely it is that the event will occur.

Answer

How many ways the event can happen.

Answer

The number of outcomes that are favorable to the event.

Answer

The total number of possible outcomes.

Question 16

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

Accepted Answer

1/5

Answer

3/10

Answer

5/10

Answer

1/2

Question 17

You flip a coin 10 times and get heads 6 times. What is the experimental probability of getting heads?

Accepted Answer

6/10

Answer

1/2

Answer

3/5

Answer

1/10

Question 18

What is the probability of rolling a sum of 8 when rolling two dice?

Accepted Answer

5/36

Answer

1/6

Answer

1/12

Answer

1/9

Question 19

A survey of 100 students found that 60 like math and 50 like science. If 20 students like both math and science, what is the probability that a student likes math?

Accepted Answer

0.6

Answer

0.5

Answer

0.7

Answer

0.8

Question 20

Which of the following is a fair game?

Accepted Answer

A game where both players have an equal chance of winning.

Answer

A game where one player has a higher chance of winning.

Answer

A game where the outcome is always the same.

Answer

A game where the rules are constantly changing.

Question 21

What is the complement of the event 'getting a number less than 4 when rolling a dice'?

Accepted Answer

Getting a number greater than or equal to 4.

Answer

Getting a number less than or equal to 3.

Answer

Getting an even number.

Answer

Getting a prime number.

Question 22

In a bag containing 5 red marbles and 3 blue marbles, what is the probability of drawing a **blue** marble?

Accepted Answer

0.25

Answer

0.50

Answer

0.75

Answer

1.00

Question 23

A fair game consists of rolling a six-sided die and flipping a coin. What is the probability of rolling a number less than 3 and flipping **heads**?

Accepted Answer

0.167

Answer

0.111

Answer

0.222

Answer

0.250

Question 24

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

Accepted Answer

1 out of 3

Answer

1 out of 5

Answer

1 out of 2

Answer

1 out of 4

Question 25

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

Accepted Answer

1 out of 8

Answer

1 out of 2

Answer

1 out of 4

Answer

1 out of 16

Question 26

A survey of 100 students showed that 60 students like soccer and 40 students like basketball. What is the experimental probability that a randomly selected student likes soccer?

Accepted Answer

0.6

Answer

0.4

Answer

0.8

Answer

1.0

Question 27

A game has the following probability distribution: 
P(win) = 0.4, P(lose) = 0.5, P(tie) = 0.1. What is the probability of not losing the game?

Accepted Answer

0.9

Answer

0.4

Answer

0.5

Answer

0.6

Question 28

A group of 5 friends wants to take a picture. They want to arrange themselves in a row. How many different arrangements are possible?

Accepted Answer

120

Answer

24

Answer

5

Answer

10

Question 29

A bag contains 5 blue marbles and 3 red marbles. If you randomly draw a marble, what is the probability of drawing a blue marble?

Accepted Answer

5/8

Answer

1/2

Answer

3/8

Answer

1/3

Question 30

A spinner with four equal sections labeled A, B, C, and D is spun once. What is the probability of landing on section C?

Accepted Answer

1/4

Answer

1/2

Answer

1/3

Answer

1/6

Question 31

Two dice are rolled. What is the probability of getting a total of less than 7?

Accepted Answer

1/18

Answer

1/6

Answer

1/12

Answer

1/36

Question 32

A box contains 5 green marbles, 3 blue marbles, and 2 red marbles. If one marble is drawn at random and replaced, what is the probability of drawing a red marble on the next draw?

Accepted Answer

2/10

Answer

1/5

Answer

1/3

Answer

1/2

Question 33

The probability of an event that is definitely going to happen is:

Accepted Answer

1

Answer

0

Answer

0.5

Answer

Cannot be determined

Question 34

In a bag containing 5 red balls and 3 blue balls, what is the chance of randomly drawing a blue ball?

Accepted Answer

3/8

Answer

1/8

Answer

5/8

Answer

1/2

Question 35

A spinner has 4 equal sections, each marked with a different number. If the spinner is spun once, what is the chance that it will land on an even number?

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

1/8

Question 36

The probability of rain on Monday is 30%. What is the chance that it will NOT rain on Monday?

Accepted Answer

70%

Answer

30%

Answer

100%

Answer

Cannot be determined

Question 37

A bag contains 6 red balls and 4 blue balls. If a red ball is drawn and NOT replaced, what is the chance of drawing another red ball?

Accepted Answer

5/9

Answer

1/2

Answer

1/4

Answer

Cannot be determined

Question 38

Which situation has a probability of 1?

Accepted Answer

Picking a blue marble from a bag of only blue marbles

Answer

Flipping a coin and getting heads

Answer

Rolling a six on a die

Answer

Drawing a red card from a deck of cards without replacing it

Question 39

Which of the following is the probability of rolling an even number on a fair, six-sided die?

Accepted Answer

1/2

Answer

1/3

Question 40

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

Accepted Answer

1/4

Answer

1/2

Question 41

A spinner is divided into four equal sections, labeled A, B, C, and D. If the spinner is spun once, what is the probability of landing on a section that is a consonant?

Accepted Answer

3/4

Answer

1/4

Answer

1/2

Question 42

A group of 5 friends are going to a movie. In how many ways can they line up to buy tickets?

Accepted Answer

120

Answer

5

Answer

10

Question 43

What does probability measure?

Accepted Answer

The likelihood of an event happening

Answer

The number of possible outcomes

Answer

The average number of times an event occurs

Answer

The certainty of an event happening

Question 44

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

Accepted Answer

3 / 8

Answer

5 / 8

Answer

1 / 4

Answer

1 / 2

Question 45

A coin is flipped twice. What is the probability of getting two tails?

Accepted Answer

1 / 4

Answer

3 / 4

Answer

1 / 3

Answer

2 / 4

Question 46

A bag contains 10 marbles, numbered 1 to 10. Two marbles are drawn one after the other without replacement. What is the probability of drawing an even number on the first draw and an odd number on the second draw?

Accepted Answer

4 / 9 * 5 / 9

Answer

4 / 5 * 4 / 5

Answer

5 / 5 * 4 / 5

Question 47

A coin is flipped once. What is the probability of getting heads?

Accepted Answer

1/2

Answer

1/3

Answer

1

Answer

1/4

Question 48

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If a marble is drawn at random, what is the probability of drawing a blue marble?

Accepted Answer

3/10

Answer

5/10

Answer

1/10

Answer

2/10

Question 49

A spinner has 6 equal sections, each labeled with a different number from 1 to 6. If the spinner is spun once, what is the probability of landing on an even number?

Accepted Answer

1/2

Answer

1/6

Answer

1/3

Answer

2/6

Question 50

A survey of 100 people found that 60 people like chocolate ice cream. What is the experimental probability of randomly selecting a person who likes chocolate ice cream?

Accepted Answer

60/100

Answer

100%

Answer

60%

Answer

100/60

Question 51

A fair six-sided die is rolled twice. What is the probability of getting a sum of 7?

Accepted Answer

1/6

Answer

1/12

Answer

1/18

Question 52

A bag contains 4 red marbles, 3 green marbles, and 2 blue marbles. If two marbles are drawn without replacement, what is the probability of drawing a red marble and then a blue marble?

Accepted Answer

4/15

Answer

8/15

Answer

16/15

Answer

12/15

Question 53

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

Accepted Answer

11/13

Answer

1/2

Answer

3/4

Answer

1/4

Question 54

A survey found that 30% of students like math and 40% like science. If 10% like both math and science, what is the probability that a randomly selected student likes either math or science?

Accepted Answer

60%

Answer

30%

Answer

10%

Answer

40%

Question 55

A game involves rolling a die and flipping a coin. What is the probability of rolling an even number on the die and getting heads on the coin?

Accepted Answer

1/4

Answer

1/12

Answer

1/8

Answer

1/2

Question 56

A bag contains 6 red marbles, 4 blue marbles, and 2 green marbles. If two marbles are drawn with replacement, what is the probability of drawing a red marble on the first draw and a blue marble on the second draw?

Accepted Answer

24/60

Answer

36/60

Answer

12/60