Probability

Probability

4/13/21

​Sample Space

The sample space is a list of all the possible outcomes of a random experiment.

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Math 7 | Probability

​ex. The sample space of flipping a coin is:

• Heads

• Tails​

Multiple Choice

What is the sample space when rolling a regular number cube?

• 1

• 2, 4, 6

• 1, 2, 3, 4, 5, 6

• 6

Multiple Choice

What is the sample space for the jar of marbles?

• red

• red, yellow, green, blue

• red and yellow

• red and green

Multiple Choice

What is sample space?

• All of the Outcomes
• What Will Happen
• What Can Happen
• What I want to Happen

Multiple Choice

What is the sample space when choosing one month out of the year?

• Jan., Feb., Mar., April, May, June, July, Aug, Sept, Oct., Nov., Dec.

• Jan., Mar., April, May, June, July, Sept, Oct., Nov., Dec.

• 12 months

• 52 weeks

​Probability - the chance that something will occur.

Math 7 | Probability

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​Examples:

​What is the probability of the spinner landing on orange?

​What is the probability of the spinner landing on blue?

Multiple Choice

What is the probability of landing on the color blue on the spinner?

• 3/3
• 1

• 3/12 or 1/4
• 3/9 or 1/3

Multiple Choice

What is the probability of landing on the color blue on the spinner?

• 3/3
• 1/12

• 3/12 or 1/4
• 3/9 or 1/3

Multiple Choice

A die is rolled once.  What is the probability of rolling a 5? Your answer should be a fraction in simplest form.

• 1/6
• 1/3
• 2/5
• 5/6

Multiple Choice

What is the probability of the spinner landing on red?

• 5/12
• 7/12

• 5/5
• 5/10 or 1/2

Multiple Choice

What is the probability of the spinner landing on red?

• 5/12
• 7/12

• 5/5
• 5/10 or 1/2

Multiple Choice

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/10

• 1/9

Multiple Choice

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/10

• 1/9