Anational retail chain has asked susan to conduct a customer satisfaction analysis. how should susan collect the data? a. by conducting a census of the customers who filed complaints b. by conducting a census of the customers who shop in the stores c. by taking a random sampling of the customers who filed complaints d. by taking a random sampling of the customers who shop in the stores

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

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Hundred and tens tables to make 430 in five different ways