0.4 0.35 0.3 0.25 -9 12 15 18 Q Match the graph of each normal distribution with its mean and standard deviation. Because of the thickness of the lines, some of these graphs may not look like they continue infinitely for to the left and right, but we know that they should -- so please assume that they do. - Black a. (= 0,0 =3 v Red b. ( =0,0 =1 Blue C.A =5,0 =5