You are a manager of a 7-Eleven. You have determined the probability a customer buys gasoline 0.32. You have also determined the probability a customer buys groceries equals 0.64 and the probability a customer buys groceries, given they buy gasoline, equals 0.76.
a. Determine the probability a customer buys both gasoline and groceries.
b. Determine the probability a customer buys either gasoline or groceries.
c. Determine the probability a customer buys gasoline, given they buy groceries.
d. Determine the probability a customer buys groceries, given they did not buy gasoline.