Of all those people who enter Uncle's Stereo, a discount electronics store in New York City, 28% purchase a DVD player, 5% buy a large-screen TC, and 4% buy both. Assume a customer is selected at random.
a) Determine the probability that the customer buys a large-screen TV or a DVD player?
b) Determine the probability that the customer buys either a large-screen TV or a DVD player?
c) Determine the probability that the customer buys only a DVD player?
d) Determine the probability that the customer does not buy a large-screen TV?