Question 879696
u = 50 and o = 5, Normal curve y
y = {{{(1/(alpha*sqrt(2pi)))}}}e^{{{(-(x-mu)^2/2(alpha)^2)}}}
y = {{{(1/5sqrt(2pi))}}}e^{{{(-(x-50)^2/50)}}}
{{{drawing(300,300, -10, 75, -1, 1,  grid(1),
circle(50, .08,1),
circle(50, 0,1),
circle(-7, 0,0.4),
graph( 300, 300,  -10, 75, -1, 1,0,(.08)e^(-(x-50)^2/50)))}}}