From environment canada: "our experts on weather and climate have combed through 45 years of weather records, and determined the probabilities based on the following criteria:
-a "white" christmas is defined as having at least 2 cm of snow on the ground on december 25."
the probability that there will be a white christmas in vancouver is 11%.
the probability that there will be a white christmas in hamilton is 68%
what type of probability have they used to determine these probabilities?

Which is an equation for the nth terms of the sequence 12,15,18,21

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

Find the zeros of each function. f(x) = x^2 + 5x - 6