Example 3

A vacation resort offers bicycles and personal watercrafts for rent. The resort’s manager made the following notes about rentals:

customers rented items in all— rented bicycles and rented personal watercrafts.
Of the personal watercraft customers, customers were young (30 years old or younger) and customers were older (31 years old or older).
of the customers were age 30 or younger. of these customers rented bicycles, and of them rented personal watercrafts.

Consider the following events that apply to a random customer.

: The customer is young (30 years old or younger).

: The customer rents a personal watercraft. Are

and

independent? Compare

and

and interpret the results.

This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.

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