Probability Problems from Two Way Table

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 is male, what is the probability the student can’t drive?

• 12/60

• 12/120

• 20/60

• 20/120

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

The question “Do you play soccer?” was asked of 110 students. Results are shown in the table.

What is the probability a randomly selected student plays soccer?

• 42/75

• 12/35

• 54/110

• 56/110

The question “Do you play soccer?” was asked of 110 students. Results are shown in the table.

What is the probability a randomly selected student is male and does not play soccer?

• 42/110

• 33/110

• 12/110

• 23/110

The question “Do you play soccer?” was asked of 110 students. Results are shown in the table.

Given a student plays soccer, what is the probability the student is female?

• 12/54

• 42/54

• 12/35

• 42/75

Given a student doesn’t play soccer, what is the probability the student is male?

• 33/56

• 23/56

• 33/75

• 23/35

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

What is the probability a randomly selected student earned a passing grade?

• 20/100

• 35/100

• 65/100

• 87/100

The table shows the results from a survey that asked adults if they had a high school diploma and if their annual income was more than $30.000.

A person who took the survey is selected at random.

The probability that the person has a high school diploma and makes or less $30.000 is

• 0.02

• What is the probability that the person has no high school diploma and earns more than $30.000 ?

• 0.21

• What is the probability that the person has a high school diploma and makes $30,000 or less?

• 0.68

• What is the probability that the person has a high school diploma and makes more than $30,000?

The table shows information from a survey about the resting heart rate in beats per minute (bpm) for people living at altitudes above and below 10.000 feet.

What is the probability that a person surveyed, selected at random, has a heart rate above 80 bpm or lives above 10.000 ft?

• 0.68

• 0.38

• 0.44

• 0.62