Answers: 3
Mathematics, 21.06.2019 17:20
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 driverβs airplane. find var(y) for y as given in the problem
Answers: 3
Mathematics, 22.06.2019 01:30
The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.
Answers: 3
How would you solve 2x-3y=-1 , y=x-1...
Mathematics, 21.10.2019 14:00
Mathematics, 21.10.2019 14:00
Mathematics, 21.10.2019 14:00
Mathematics, 21.10.2019 14:00
History, 21.10.2019 14:00
Mathematics, 21.10.2019 14:00
History, 21.10.2019 14:00