Exploring Probability Concepts

This video tutorial covers the concepts of theoretical and experimental probability. It begins with definitions and examples of each type of probability, using a coin flip to illustrate theoretical probability and data recording for experimental probability. The tutorial includes exercises involving dice rolls and favorite seasons to demonstrate how to calculate both types of probability. The video concludes with a summary of the key differences between theoretical and experimental probability.

What does theoretical probability aim to predict?

• The data collected from an experiment

• The number of trials in an experiment

• What is expected to happen in an experiment

• The actual outcome of an experiment

How is experimental probability determined?

• By calculating the total number of possible outcomes

• By using theoretical models

• Through the collection and analysis of data from experiments

• By predicting outcomes before an experiment

If a number cube is rolled 50 times, how many times did it NOT land on two, based on the given data?

• 10 times

• 40 times

• 42 times

• 8 times

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CCSS.7.SP.C.6

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

• 2/6

• 1/6

• 1/5

• 1/4

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CCSS.7.SP.C.7A

What is the experimental probability of rolling a one?

• 10/45

• 1/5

• 10/50

• 9/50

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CCSS.7.SP.C.6

What fraction represents the probability that a person's favorite season is fall?

• 1/4

• 25/100

• 50/200

• 75/300

Tags

CCSS.7.SP.C.7B

Out of 300 people, how many would you expect to say fall is their favorite season?

• 75 people

• 100 people

• 25 people

• 50 people

Tags

CCSS.7.SP.C.6

How many people out of 20 would you expect to like all of the seasons?

• 20 people

• 10 people

• 5 people

• 2 people

Tags

CCSS.7.SP.C.6

How many more people prefer summer over winter out of 650?

• 26 people

• 169 people

• 200 people

• 300 people

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CCSS.7.SP.A.2

What is the main difference between theoretical and experimental probability?

• Theoretical probability is based on expected outcomes, while experimental is based on actual outcomes.

• Experimental probability uses theoretical models to predict outcomes.

• There is no difference; they are the same.

• Theoretical probability is based on actual experiments, while experimental is not.