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

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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) About Me  (Show Source):
You can put this solution on YOUR website!

Hi,
Note: *Note: z+=+blue%28x+-+mu%29%2Fblue%28sigma%29
z = 38-36/2 = -2/2 = -1
P(z<-1) = .1587 OR 15.87% using Excel function NORMSDIST(-1)