SOLUTION: Suppose the variable X has a normal distribution with mean 36 inches and standard deviation 2 inches.If one of these X values is chosen at random, what is the probability that it i

Question 391729: Suppose the variable X has a normal distribution with mean 36 inches and standard deviation 2 inches.If one of these X values is chosen at random, what is the probability that it is less than 38 inches?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,         

Note: *Note: 

  z = 38-36/2 = -2/2 = -1

 P(z<-1) = .1587 OR 15.87%  using Excel function NORMSDIST(-1)



 

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