Mathematics, 23.11.2019 02:31, wolfgirl4762

In a recent month, 88% of automobile drivers filled their vehicles with regular gasoline, 2% purchased midgrade gas, and 10% bought premium gas. given that a driver bought regular gas, 28% paid with a credit card; given that they bought midgrade and premium gas, 34% and 42% respectively, paid with a credit card. suppose we select a customer at random.
a. draw a tree diagram to represent this situation.
b. what is the probability that an automobile driver filled with regular gasoline and paid with a credit card?
c. what is the probability that an automobile driver filled with premium gasoline and did not pay with a credit card?
d. what’s the probability that the customer paid with a credit card?

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In a recent month, 88% of automobile drivers filled their vehicles with regular gasoline, 2% purchas...