Hannah wants to simulate whether customers will choose a small, medium, or large drink, or
no drink at a fast food restaurant. She decides to use digits from a random number table to
represent the drink option a customer will order (O=no drink, 1=small drink, 2=medium drink,
3-large drink, ignore digits 4-9) Why does this NOT model the situation?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem