please help with matlab code for part 3 (other parts posted just for reference)

Suppose that the final grade distribution of our class follows the normal distribution: 1 (x -x.)] m> expl 2 202 where x is the grade, xm is the average grade, and o is the standard deviation. Note that the distribution function is normalized such that [f(x|xw,)dx=1. 1. When (xm,0)=(80,6), (75,7), (70,8), (65,9) and (60,10), draw the 5 plots in a graph using a "for loop and fplot" within the range of 0