Problem 5 A representative from the National Football League's Marketing Division randomly selects peo- ple on a random street in Kansas City until they find a person who attended the last home football game. The probability that they succeed in finding such a person is 25%. Let X denote the number of people they select until they find such a person. (a) What is the probability that their success is the fourth person they select? (b) What is the probability that the marketing representative must select more than 6 people before they find someone who attended the last home football game? (c) How many people should the marketing representative expect to select before finding someone who attended the last home football game?