Question 405522
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Hi, 
*Note: {{{z = blue(x - mu)/blue(sigma)}}}
  z = 65-63/8 = 2/8 = .25
 P(z > .25) = 1-.5987 = .4013
   40.13% are exceeding the speed limit

 z = 72-63/8 = 9/8 = 1.125
P(z> 1.125) = 1 - .8697 = .1303  
13.03% might expect to be exceeding a speed limit of 72mph & be ticketed.