To pass the time, a toll booth collector counts the number of cars that pass though his booth until he encounters a driver with red hair. Suppose that 5% of all drivers have red hair. Let Y = the number of cars the collector counts until he gets a red-headed driver for the first time. What are the mean and standard deviation of Y?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.