Of the students who choose to live on campus at Coastal College,
Represent these probabilities in a two-way table.
Not Ocean View
What is the probability that a randomly selected resident of the OceanView dorm is a senior?
Compare the percentage of seniors who live in OceanView to the percentage of total students who live in OceanView.
Use the alternative definition of independence (see the Math Notes box in Lesson 7.2.3) to determine if being a senior is associated with living in the OceanView dorm.
and are independent, then and .
The converse of this statement is also true: If
and , then and are independent.