Question 440003
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
*Note: {{{z = blue(x - mu)/blue(sigma)}}}
   z = (17.50-13.40)/2.10 = 1.9524
 P(z > 1.9524) = 1 -  NORMSDIST(1.9524)= 1 - .9746 = .0254
{{{drawing(400,200,-5,5,-.5,1.5, graph(400,200,-5,5,-.5,1.5, exp(-x^2/2)), green(line(1.9524,0,1.9524,exp(-1.9524^2/2))),locate(4.8,-.01,z),locate(4.8,.2,z))}}}