Probability and Percent

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

Given that the grade is an A, what is the probability of the student being female?

• 8/20

• 12/20

• 8/44

• 12/56

What is the probability that a randomly selected employee is a chief?

• 1/100

• 2/100

• 1/33

• 1/67

Given the employee is a chief, what is the probability the employee is male?

• 1/100

• 1/33

• 1/2

• 1/67

The make-up of employees at a police station is shown in the table above:

Given the employee is a female, what is the probability of the employee being a chief?

• 1/2

• 1/33

• 1/67

• 1/100

Chelsea surveyed a sample of students in the senior class to determine the distribution of students with a driver’s license.

What is the probability a randomly selected student has no license?

• 20/60

• 32/120

• 20/32

• 20/59

Chelsea surveyed a sample of students in the senior class to determine the distribution of students with a driver’s license.

Given that a student has a permit, what is the probability the student is female?

• 15/29

• 33/59

• 15/60

• 15/120

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%

What percentage of girls have blonde hair?

• 30%

• 32%

• 29%

• 40%

What percentage of SUV's are driven by women?

• 56.25%

• 75%

• 83.25%

• 86.5%

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%