stats

) A survey of 3,603 coffee drinkers found that 984 had tried McDonald’s coffee, 1,188 had tried Dunkin Donuts’ coffee, 919 had tried Wawa’s coffee, and 2,662 had tried at least one of the three. How many of those surveyed hadn’t tried any of the three?

5) Suppose that in a lottery you choose 5 numbers out of 30. Five numbers are then drawn and you win a prize if you have matched at least 4 of the numbers drawn. What is the probability that you win a prize?