Question 431050
mean of 50 and a std. deviation of 10  (score of 65)
*Note: {{{z = blue(x - mu)/blue(sigma)}}}  z = 15/10 = 1.5
P(above 65) = P(z>1.5) = .0668
 area under the graph to the right of green line
{{{drawing(400,200,-5,5,-.5,1.5, graph(400,200,-5,5,-.5,1.5, exp(-x^2/2)), green(line(1.5,0,1.5,exp(-1.5^2/2))),locate(4.8,-.01,z),locate(4.8,.2,z))}}}