clc;clear;x=-10:0.1:10;y=(1/sqrt(2*pi)) * exp(-(x.^2)/2);plot(x,y)index = find(x==3);f3 = y(index);fprintf('f(3) = %d \n', f3) clc;clear;x=-10:0.1:10;y=normpdf(x,0,1);plot(x,y)index = find(x==3);f3 = ...