The table below summarizes results from an independent survey of 400 randomly selected college graduates who purchased a car within one year of graduation.

	Economy	Mid-Size	Luxury
New	89	49	40
Used	129	75	18

a. How many are purchased used cars or Economy cars?

b. How many are purchasedused cars and Economy cars? c. Find the probability of randomly selecting 1 of the 400 graduates and getting one who purchased Economy car, given that the graduate purchased a used car? d. If 3 different surveyed students are randomly selected without replacement, find probability that all three purchased new cars. e. If 19 different surveyed people are randomly selected without replacement, what is the probability that all them purchased new cars?