4.3 Two-Way Tables Probability

4.3 Two-Way Tables

Two-Way Table

In a class of students, the following data table summarizes the gender of the students and whether they have an A in the class.

Multiple Choice

What is the probability that a student selected at random is female?

• 4/13

• 9/13

• 13/27

• 4/27

Multiple Choice

What is the probability that a student selected at random is female and has an A?

• 4/13

• 9/13

• 13/27

• 4/27

Multiple Choice

What is the probability that a student selected at random is male and does not have an A?

• 8/27

• 6/14

• 14/27

• 6/27

Problem 2

In a class of students, the following data table summarizes how many students play an instrument or a sport. What is the probability that a student chosen randomly from the class plays neither a sport nor an instrument?

15/27