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.

Fill in the Blanks

How many students are in this class?

Fill in the Blanks

How many female students are in this class?

Fill in the Blanks

How many students have an A in this class?

Fill in the Blanks

How many male students are in this 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

Fill in the Blanks

What is the probability that a student chosen randomly from the class plays an instrument, but does not play a sport?

Fill in the Blanks

What is the probability that a student chosen randomly from the class doesn't play an instrument, but plays a sport?

Fill in the Blanks

What is the probability that a student chosen randomly from the class plays a sport?

Fill in the Blanks

What is the probability that a student chosen randomly from the class doesn't play an instrument?