Chapter 7 Review

How many possible outcomes are there?

• 5

• 9

• 5, 5, 1, 1, 2, 3, 3, 3, 4

• Yellow, Blue, Red, Green, Grey

What are the favorable outcomes for spinning an odd number?

• 5, 5, 1, 1, 2, 3, 3, 3, 4

• 5, 1, 2, 3, 4

• 1, 1, 3, 3, 3, 5, 5

• 1, 3, 5

There are ______ ways to spin a number 3 or less.

The probability of an event is 55%. Describe the likelihood of the event.

• Unlikely

• Equally likely or unlikely

• Likel

• Certain

You randomly draw a button from a bag, record it, and then replace it. You draw a red button 16 out of 50 times. What is the experimental probability that the next button will be red? (check both the fraction and percent)

• $\frac{8}{25}$

• $\frac{4}{12}$

• 3.125%

• 32%

There are 15 purple chips and 25 orange chips in a bag. You randomly choose one of the chips. What is the theoretical probability of choosing an orange chip? (fraction and percent)

• $\frac{15}{25}=60\%$

• $\frac{25}{15}=16.7\%$

• $\frac{15}{40}=37.5\%$

• $\frac{25}{40}=62.5\%$

Use the table (which shows the results of Greg's experiment) to predict the number of times he would roll a 3 if he rolled the number cube 72 times.

Answer: ____________ rolls

Use the Fundamental Counting Principle to find the total number of possible options a clown needs. Show your work.

• 3

• 24

• 12

• 4

Use the Fundamental Counting Principle to find the total number of possible beverage options. Show your work.

• 3

• 12

• 4

• 9

You spin the spinner and flip a coin. What is the probability of spinning a number less than 5 and flipping heads? (fraction and percent)

Draw a table.

• 38.9%

• 11.1%

• 27.8%

• 22.2%