Out of 9,799 whistles that a company manufactured, some were rejected for shipment to stores because they did not pass the quality control standards of the company. Estimate the number of whistles that did not pass. 19% of the whistles were rejected

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left