Marketing and Consumer Behavior Of all those people who enter Uncle's Stereo, a discount electronics store in New York City, 28% purchase a digital camera, 5% buy a home theater receiver, and 4% buy both. Suppose a customer is selected at random.
a. What is the probability that the customer buys a digital camera or a home theater receiver?
b. What is the probability that the customer buys either a digital camera or a home theater receiver, but not both?
c. What is the probability that the customer buys only a digital camera?
d. What is the probability that the customer does not buy a home theater receiver?