Probability Quiz: Test Your Understanding of Chance and Events

Question 1

When rolling a standard six-sided die, what is the probability of rolling a six?

Accepted Answer

1/6

Answer

1/2

Answer

1/4

Answer

1/3

Question 2

In a deck of 52 cards, what is the probability of drawing a heart or a face card (Jack, Queen, King)?

Accepted Answer

3/8

Answer

1/4

Answer

1/2

Answer

1/3

Question 3

In a bag containing 5 red balls and 3 blue balls, what is the probability that a randomly picked ball would be blue?

Accepted Answer

1/3

Answer

1/2

Answer

2/5

Answer

3/8

Question 4

A standard deck of cards has 52 cards. What is the probability of drawing an ace at random?

Accepted Answer

1/13

Answer

1/4

Answer

4/52

Answer

13/52

Question 5

A bag contains 5 black marbles and 7 white marbles. If you draw 3 marbles in a row with replacement, what is the probability of drawing 2 black marbles and 1 white marble?

Accepted Answer

7/120

Answer

1/12

Answer

7/24

Answer

1/4

Question 6

A company surveys its employees and finds that 60% like coffee and 40% like tea. If 3 employees are randomly selected, what is the probability that at least one of them likes tea?

Accepted Answer

0.936

Answer

0.256

Answer

0.464

Answer

0.744

Question 7

A card is drawn from a standard deck of 52 cards. What is the probability that the card is a red suit?

Accepted Answer

1/4

Answer

1/8

Answer

1/10

Answer

1/13

Question 8

A fair coin is tossed three times. What is the probability of getting at least two heads?

Accepted Answer

5/8

Answer

1/8

Answer

3/8

Answer

1/2

Question 9

A survey of 200 people found that 75 people watch movies. What is the probability that a randomly selected person from the survey does NOT watch movies?

Accepted Answer

0.25

Answer

0.50

Answer

0.75

Answer

1.00

Question 10

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

Accepted Answer

7/10

Answer

1/2

Answer

1/3

Answer

5/10

Question 11

Which of these events is considered independent?

Accepted Answer

Picking a number between 1 and 10, then picking another number between 1 and 10

Answer

Flipping a coin twice and getting heads both times

Answer

Drawing a card from a deck, then drawing another without putting the first card back

Answer

Rolling a dice and getting a 6

Question 12

What is the probability of rolling a number greater than 3 on a regular six-sided die?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 13

What is the probability of getting at least one head when flipping a coin twice?

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

1/8

Question 14

What is the probability of rolling a multiple of 3 on a number cube?

Accepted Answer

1/3

Answer

1/2

Answer

1/4

Answer

1/6

Question 15

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

Accepted Answer

3/4

Answer

1/4

Answer

1/2

Answer

1/8

Question 16

Which of the following is not a common way to represent probability?

Accepted Answer

Letter

Answer

Fraction

Answer

Decimal

Answer

Percentage

Question 17

A bag contains 10 balls numbered from 1 to 10. What is the probability of drawing a ball with an even number?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/5

Question 18

Which of the following is an impossible event?

Accepted Answer

Drawing a red marble from a bag of only blue marbles

Answer

Rolling a 7 on a six-sided die

Answer

Flipping a coin and getting heads

Answer

Spinning a spinner and getting a number less than 0

Question 19

Which method is NOT used to calculate theoretical probability?

Accepted Answer

Performing an experiment

Answer

Counting outcomes

Answer

Using a probability distribution

Answer

Applying the Fundamental Counting Principle

Question 20

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

Accepted Answer

5/10

Answer

1/2

Answer

3/5

Answer

2/10

Question 21

Which of the following events is considered independent?

Accepted Answer

Drawing a marble from a bag and replacing it before drawing again

Answer

Flipping a coin and getting heads

Answer

Drawing a card from a deck and getting an ace

Answer

Rolling a dice and getting a six

Question 22

When rolling two fair dice, what is the probability of getting a sum of 7?

Accepted Answer

1/12

Answer

1/6

Answer

1/18

Answer

1/36

Question 23

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

Accepted Answer

5 out of 12

Answer

3 out of 12

Answer

4 out of 12

Answer

1 out of 12

Question 24

A box contains 20 balls, numbered 1 to 20. If two balls are drawn at random without replacing the first ball, what is the probability that the first ball drawn is even and the second ball is odd?

Accepted Answer

19 out of 20 multiplied by 11 out of 19

Answer

11 out of 20 multiplied by 19 out of 19

Answer

19 out of 20 multiplied by 1 out of 20

Answer

1 out of 20 multiplied by 19 out of 19

Question 25

A dartboard is divided into 10 equal sections, numbered 1 to 10. A dart is thrown at the board. What is the probability of hitting a section with a prime number?

Accepted Answer

1 out of 5

Answer

1 out of 2

Answer

2 out of 5

Answer

3 out of 5

Question 26

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

Accepted Answer

1 in 2

Answer

0

Answer

1 in 4

Answer

1

Question 27

A spinner has four equal sections labeled 1, 2, 3, and 4. If the spinner is spun once, what is the probability of landing on an odd number?

Accepted Answer

1 in 2

Answer

1 in 4

Answer

3 in 4

Answer

1

Question 28

A bag contains 6 red balls, 4 blue balls, and 2 yellow balls. If two balls are drawn with replacement, what is the probability of drawing a red ball and then a yellow ball?

Accepted Answer

1 in 36

Answer

1 in 12

Answer

1 in 6

Answer

1 in 2

Question 29

A survey of 100 people showed that 60 people like pizza and 40 people like pasta. What is the probability that a randomly selected person from the survey likes pizza or pasta?

Accepted Answer

1

Answer

0.4

Answer

0.6

Answer

0.8

Question 30

In a bag containing 5 red marbles, 3 blue marbles, and 2 green marbles, what's the probability of randomly drawing a blue marble?

Accepted Answer

1/3

Answer

1/2

Answer

1/5

Answer

3/10

Question 31

A coin landed on heads 6 times after being flipped 10 times. What's the experimental probability of flipping tails?

Accepted Answer

0.6

Answer

0.4

Answer

0.8

Answer

1.0

Question 32

What's the probability of selecting a multiple of 5 from a random number between 1 and 100?

Accepted Answer

1/5

Answer

1/4

Answer

1/10

Answer

1/20

Question 33

What is the probability of an event that is certain to happen?

Accepted Answer

1

Answer

0

Answer

1/2

Answer

Cannot be determined

Question 34

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

Accepted Answer

3/10

Answer

1/5

Answer

2/5

Answer

1/2

Question 35

What is the probability of rolling a number greater than 3 on a standard number cube?

Accepted Answer

4/6

Answer

1/6

Answer

2/6

Answer

3/6

Question 36

What is the probability of getting a sum of 7 when rolling two standard number cubes?

Accepted Answer

1/12

Answer

1/36

Answer

1/6

Answer

1/3

Question 37

A bag contains five red marbles and three blue marbles. If a marble is drawn at random, what is the chance of it being red?

Accepted Answer

5/8

Answer

3/8

Answer

1/2

Answer

1/3

Question 38

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

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 39

Two dice are rolled. What's the probability of getting either a 7 or an 11?

Accepted Answer

1/12

Answer

1/6

Answer

1/18

Answer

1/24

Question 40

Which of the following events is independent?

Accepted Answer

Drawing a red marble from a bag of marbles

Answer

Rolling a 6 on a die after rolling a 4

Answer

Flipping a coin and getting heads twice in a row

Answer

Shuffling a deck of cards and drawing the same card twice

Question 41

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

Accepted Answer

Personal preferences

Answer

Sample size

Answer

Number of outcomes

Answer

Past events

Question 42

Two friends, Alex and Ben, each have a 50% chance of winning a basketball game. If they play each other, what is the probability that Alex wins and Ben loses?

Accepted Answer

1/4

Answer

1/2

Answer

1/8

Answer

1/16

Question 43

A bag contains 6 red marbles, 4 blue marbles, and 5 green marbles. If you randomly draw three marbles with replacement, what is the probability of drawing three red marbles?

Accepted Answer

1/60

Answer

1/5

Answer

1/20

Answer

1/125

Question 44

A multiple-choice test consists of 20 questions, each with four answer options. If a student randomly guesses, what is the probability of answering exactly 10 questions correctly?

Accepted Answer

0.009

Answer

0.09

Answer

0.9

Answer

0.001

Question 45

A fair coin is flipped 10 times. What is the probability of getting an odd number of heads?

Accepted Answer

3/8

Answer

1/2

Answer

1/4

Answer

1/8

Question 46

A box contains 5 white marbles, 3 black marbles, and 2 red marbles. If a marble is drawn randomly, what is the probability that it is not white?

Accepted Answer

1 out of 2

Answer

1 out of 4

Answer

1 out of 5

Answer

1 out of 10

Question 47

A school has 300 students. 60% of the students are girls. What is the probability that a randomly selected student is a boy?

Accepted Answer

0.4

Answer

0.6

Answer

0.3

Answer

0.7

Question 48

A meteorologist predicts a 20% chance of rain tomorrow. What is the probability that it will not rain?

Accepted Answer

0.8

Answer

0.2

Answer

0.1

Answer

0.05

Question 49

The probability of an event occurring is 0.6. What is the probability of the event not occurring?

Accepted Answer

0.4

Answer

0.5

Answer

0.6

Answer

0.8

Question 50

A fair die is rolled. What is the probability of rolling a number less than 4 or a number greater than 2?

Accepted Answer

2/3

Answer

1/3

Answer

1/2

Answer

1

Question 51

The opposite of an impossible event is:

Accepted Answer

A certain event

Answer

A likely event

Answer

An unlikely event

Answer

A probable event

Question 52

You flip a coin 5 times. What is the likelihood of getting heads at least once?

Accepted Answer

31 in 32

Answer

1 in 32

Answer

1 in 2

Answer

1 in 16

Question 53

In a survey about favorite subjects, students responded as follows: Math (20%), Science (30%), History (25%), English (25%). What is the likelihood that a randomly selected student favors Math?

Accepted Answer

0.2

Answer

0.25

Answer

0.3

Answer

0.5

Question 54

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

Accepted Answer

History of outcomes

Answer

Sample size

Answer

Experiment design

Answer

Randomness

Question 55

When a coin is flipped twice, what is the probability of getting tails both times?

Accepted Answer

1 in 16

Answer

1 in 4

Answer

1 in 8

Answer

1 in 32

Question 56

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

Accepted Answer

1 in 3

Answer

1 in 5

Answer

1 in 2

Answer

2 in 5

Question 57

A spinner has 8 equal-sized sections, numbered 1 to 8. What is the probability of landing on a number greater than 5?

Accepted Answer

3/8

Answer

1/4

Answer

1/2

Answer

1/8

Question 58

You roll a six-sided die. What's the chance of rolling an odd number?

Accepted Answer

1/2

Answer

1/3

Answer

2/3

Answer

3/4

Question 59

A box contains 10 light bulbs, 4 of which are defective. If you pick 3 light bulbs at random without putting them back, what's the chance that all 3 light bulbs are defective?

Accepted Answer

1/210

Answer

1/70

Answer

1/35

Answer

1/10