The total number of cars to be sold next week is described by the following probability distribution X 0 1 2 3 P(X) 0.2 0.3 0.4 0.1 If the variance V(X) of the number of cars sold=0.88 If Y=4-2X, determine the variance random variable Y 0-3.52 -1.78 3.52 2.24