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
