Question 411020
  <pre><font size = 3 color = "indigo"><b>
Hi
*Note: {{{z = blue(x - mu)/blue(sigma)}}}
 z = 25/15 = 1.6667
 P( z > 1.6667) = .0478

{{{drawing(300,300,-5,5,-1,1,blue(line(1.667,5,1.667,-5)), grid(1),graph( 300, 300,-5,5,-1,1,(1/sqrt(2*pi))*3^((-x^2/2)))) }}}