An engineering school reports that 55% of its students were male (m), 40% of its students were between the ages of 18 and 20 (a), and that 25% were both male and between the ages of 18 and 20. what is the probability of a random student being female between the ages of 18 and 20? assume p(f) = p(not m).

H(x)=4x2-5x h(-3) what is the answer?

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

The area of a circle is equal to 1 dm². find the radius of the circle.