Awebsite that rents movies online recorded the age and the number of movies rented during the past month for some of their customers. the data are shown below and the best fitting regression line has b 0 equals 19.3 and b 1 equals negative 0.286. a) use the estimated regression equation to predict rentals for all six values of age. b) find the residuals e subscript i.

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