Probability Vocabulary

What is the definition of probability?

• Probability is a measure of the likelihood of an event occurring.

• Probability is a measure of the distance between events.

• Probability is a measure of the number of events that have occurred.

• Probability is a measure of the size of an event.

What is the difference between experimental probability and theoretical probability?

• Experimental probability is based on guessing, while theoretical probability is based on actual experiments.

• Experimental probability is based on actual experiments or observations, while theoretical probability is based on mathematical calculations and assumptions.

• Experimental probability is based on mathematical calculations, while theoretical probability is based on assumptions.

• Experimental probability is used in theoretical studies, while theoretical probability is used in practical experiments.

If a fair six-sided die is rolled, what is the theoretical probability of rolling a 3?

• 1/6

• 1/2

• 1/3

• 1/4

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

• 1/2

• 2/3

• 1/3

• 1/4

If a bag contains 5 red marbles, 3 blue marbles, and 2 green marbles, what is the probability of randomly selecting a blue marble?

• 4/10

• 3/10

• 2/10

• 1/10

If a spinner is divided into 8 equal sections numbered 1 to 8, what is the probability of landing on an odd number?

• 1/4

• 3/8

• 1/2

• 5/8

If a fair coin is flipped, what is the theoretical probability of getting a head?

• 1/2

• 1/3

• 1/4

• 1/5

If a bag contains 4 yellow marbles, 6 purple marbles, and 5 orange marbles, what is the probability of randomly selecting a purple marble?

• 3/10

• 6/15

• 2/5

• 1/2