Ln a survey, a group of students were asked to name their favorite type of game. There were 5 students who chose “other” types of games. How many students participated?
Board game: 30%,
Video games: 66%,

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

With alll of except for the 2 that i did already

Asinusoidal function whose frequency is 1/6pi