Xyz telephone company is running an introductory offer on their new long distance program. the program charges a $10.95 initiation fee, then offers the first ten minutes at $.08 per minute with $.05 per minute for any additional minutes. sylvester decided to purchase the program in june and made long distance calls that month for the following number of minutes: 24, 13, 18, 45, 22, 34, 10, and 15. how much was his monthly bill for his first month of service?

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