Question 1050320
1. P(x>= 2) =  1-(.03+.09) = .88
4. {{{z =blue (x - mu)/blue(sigma)}}} z = (12.2-14)/1.2
5. {{{blue(sigma)*z  + mu=blue (x)}}} x = 1.5(2.4) + 54 
6. invNOrm(.60) = .2533,  x = .2533(50) + 400 = 413
7. z = (25-24)/1.3 = .77  P(z<= .77) = .779
.779(1200) = 935