7th REVIEW Unit 5: Scaling with Proportional Relationships

Sophia is conducting a survey to find out the most popular ice cream flavor among teenagers in Hollywood, FL. She stands outside a local movie theater and asks every teenager who enters about their favorite ice cream flavor. What is the population?

• Movie theater visitors

• Teenagers in Hollywood, FL

• Ice cream vendors

• Local residents

Sophia wants to collect data on the favorite dessert of young people in Hollywood, FL. She decides to go outside Publix and ask every person who comes into the store about their dessert preferences. What is the sample?

• Publix shoppers

• Nativity students

• Young people in Hollywood, FL

• Dessert bakers

What percentage of students earned a C?

• 12%

• 20%

• 32%

• 36%

What percentage of students earned an A?

• 12%

• 20%

• 32%

• 36%

If Mrs. Protano’s students score the same for the next test, what is the probability that students will earn an A, B, or C?

• The probability is 0.2

• The probability is 0.88

• The probability is 0.12

• The probability is 1.0

Students in Mrs. Protano’s class took their Chapter 4 math test on Monday. The pie graph shows the number of students that earned each grade. If Mrs. Protano’s students score the same for the next test, what is the probability that students will NOT earn an A, B, or C?

• 0.88

• 0.2

• 0.12

• 0.4

What is the scale factor from Figure M to Figure N?

• 16

• 64

• 1/4

• 4

What is the scale factor from Figure N to Figure M?

• 2

• 4

What is the perimeter of Gabriella’s scale model?

• 8 in.

• 15 in.

• 16 in.

• 20 in.

What is the perimeter of Gabriella’s TV?

• 60 in.

• 64 in.

• 72 in.

• 240 in.