Exploring the Basics of Probability

The video tutorial introduces the concept of probability, explaining it as a measure of how likely an event is to occur. It uses everyday examples like weather forecasts to illustrate the concept. The tutorial explains how probabilities can be expressed as fractions or percentages and provides practical examples, such as calculating the probability of a number cube landing on an even number, getting a blue gumball from a machine, and a spinner landing on a girl's name. These examples help to solidify the understanding of probability calculations.

What does probability measure?

• The likelihood of an event occurring

• The intensity of an event

• The accuracy of a prediction

• The duration of an event

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CCSS.7.SP.C.5

How can probability be expressed?

• As a temperature

• In kilometers

• Through colors

• As a fraction

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CCSS.7.SP.C.7A

What is the probability of landing on an even number with a number cube?

• 2/3

• 3/6

• 1/2

• 1/6

How many even numbers are on a number cube?

• 2

• 3

• 4

• 6

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CCSS.7.SP.C.7A

What is the probability of landing on an odd number with a number cube?

• 2/3

• 3/6

• 1/6

• 1/2

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CCSS.7.SP.C.5

What is the chance of getting a blue gumball from the machine?

• 10%

• 50%

• 70%

• 30%

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How many gumballs are in the machine in total?

• 10

• 15

• 5

• 20

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CCSS.7.SP.C.7B

What is the probability of the spinner landing on a girl's name?

• 75%

• 50%

• 37.5%

• 25%

How many girl's names are on the spinner?

• 5

• 2

• 3

• 4

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CCSS.6.SP.B.5A

What is the total number of names on the spinner?

• 6

• 7

• 8

• 9

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CCSS.6.SP.B.5A