### Home > CCG > Chapter 11 > Lesson 11.2.1 > Problem 11-88

Mr. McGee, the owner of The Laundry Shop (from problem 10-95) has a different question that he wants to answer with data and probability. He wants to estimate the probability that a customer who comes into his store will buy a washer or dryer. He collected the following data during one week:

Using this data, what is the probability that the next customer who comes to his store will purchase a washer or a dryer?

Mr. McGee promises his salespeople a bonus if they can increase the probability that the customers who buy washers also buy dryers. For the week’s data above, what is the probability that if a customer bought a washer, he or she also bought a dryer?