Probability from tables

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

1) What is the probability a randomly selected student got an A or B for the semester?

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

2) What is the probability a randomly selected student is male?

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

3) What is the probability a randomly selected student earned a passing grade?(Not F)

Mathematical Equivalence

ON

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

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

Mathematical Equivalence

ON

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

5) Given that the grade is a B, what is the probability of the student being male?

Mathematical Equivalence

ON

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

7) What is the probability that a randomly selected employee is male and a sergeant?

Mathematical Equivalence

ON

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

10) Given the employee is an inspector, what is the probability the employee is male?

Mathematical Equivalence

ON

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

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

Mathematical Equivalence

ON

Use the table which gives the number of passengers from the Titanic who survived or died and their cabin class. What is the probability that the passenger survived and is from 2nd class?

Mathematical Equivalence

ON

Use the table which gives the number of passengers from the Titanic who survived or died and their cabin class. What is the probability that the passenger survived or is from 2nd class?

Mathematical Equivalence

ON