Exploring Simple Probability Concepts

This video tutorial introduces the concept of probability, explaining basic terms like outcomes and probability experiments. It covers uniform probability models, where each outcome has an equal chance of occurring, and random outcomes, using examples like coin tosses and number cubes. The video demonstrates how to calculate simple probability using fractions, with examples such as rolling a six or an even number on a number cube, and choosing a red block from a bag. Viewers are encouraged to practice with problems provided at the end.

What does probability measure?

• The certainty that an event will not happen

• The chance that an event will occur

• The duration of an event

• The frequency of an event in a given time period

Tags

CCSS.7.SP.C.5

What is an outcome in the context of probability?

• The final result of an experiment

• The process of conducting an experiment

• A possible result of a probability experiment

• The hypothesis of an experiment

In a uniform probability model, how are the outcomes?

• Each outcome has an equal probability

• Each outcome has a different probability

• All outcomes are unlikely

• No outcomes are possible

Tags

CCSS.7.SP.C.7A

What does it mean when outcomes are random?

• Each outcome has a different probability

• No outcome can be predicted

• Outcomes can never be determined

• Each outcome is equally likely to occur

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CCSS.7.SP.C.5

How is simple probability determined?

• By adding the number of favorable outcomes to the total outcomes

• By multiplying the number of favorable outcomes by the total outcomes

• By dividing the number of favorable outcomes by the total outcomes

• By subtracting the number of favorable outcomes from the total outcomes

Tags

CCSS.7.SP.C.7B

What is the probability of rolling a six on a number cube?

• 1/3

• 1/5

• 1/6

• 1/4

Tags

CCSS.7.SP.C.7A

What is the simplified probability of rolling an even number on a number cube?

• 3/6

• 1/3

• 2/3

• 1/2

Tags

CCSS.7.SP.C.7B

What is the probability of choosing a red block from a bag containing nine blocks, three of which are red?

• 3/9

• 2/3

• 1/2

• 1/3

Tags

CCSS.7.SP.C.7B

What is the probability of choosing a blue block from the bag?

• 3/10

• 2/5

• 1/3

• 1/2

Tags

CCSS.7.SP.C.7B

What is the probability of rolling an odd number less than five on a number cube?

• 2/5

• 3/6

• 1/3

• 1/2

Tags

CCSS.7.SP.C.7B