if you could show your work Id appreciate it ThanksSolutionN
 if you could show your work I\'d appreciate it. Thanks.
Solution
Normal Distribution
 Mean ( u ) =10
 Standard Deviation ( sd )=4
 Normal Distribution = Z= X- u / sd ~ N(0,1)                  
 P(X > 13) = (13-10)/4
 = 3/4 = 0.75
 = P ( Z >0.75) From Standard Normal Table
 = 0.2266 ~ 22.66% are more than 13          

