Timothy is making a bar graph to compare how many of each type of drink he has in his cooler. He has 4 milk cartons, 12 juice boxes, 16 waters, and 20 iced teas. Which scale makes the most sense for Timothy to use with his graph? A.
Each grid line should represent 1 type of drink.

B.
Each grid line should represent 5 types of drink.

C.
Each grid line should represent 3 types of drink.

D.
Each grid line should represent 4 types of drink.

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