Theoretical and Experimental Probability

This video tutorial explains the concepts of experimental and theoretical probability. It provides examples and step-by-step calculations for each type of probability. Viewers are given practice problems to solve, enhancing their understanding of how to calculate probabilities based on experimental data and theoretical expectations.

What is experimental probability?

• A probability based on theoretical outcomes

• A probability determined by the results of an experiment

• A probability that is always 50%

• A probability that is always 100%

If a coin is tossed 25 times and lands on heads 14 times, what is the experimental probability of landing on heads?

• 11 out of 25

• 14 out of 50

• 25 out of 14

• 14 out of 25

How many even numbers did Fred roll in his experiment?

• 10

• 12

• 16

• 14

What is the simplified experimental probability of rolling an even number in Fred's experiment?

• 7 out of 10

• 1 out of 2

• 14 out of 20

• 3 out of 5

In Greg's experiment, what is the experimental probability of landing on heads?

• 11 out of 25

• 11 out of 50

• 14 out of 25

• 14 out of 50

What is theoretical probability?

• A probability that is always 100%

• A probability that is always 50%

• A probability based on what should happen

• A probability based on experimental results

What is the theoretical probability of rolling a number two on a number cube?

• 1 out of 4

• 1 out of 2

• 1 out of 6

• 1 out of 8

How many red marbles are there in the bag?

• 3

• 2

• 4

• 5

What is the theoretical probability of choosing a red marble from the bag?

• 4 out of 11

• 3 out of 11

• 2 out of 11

• 1 out of 11

What is the theoretical probability of rolling an odd number on a number cube?

• 1 out of 2

• 1 out of 3

• 1 out of 4

• 1 out of 6