SOLUTION: for a problem n= 64 and the standard deviations is 25. the mean is 100. what is the probability of a value greater than 100?

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Question 868123: for a problem n= 64 and the standard deviations is 25. the mean is 100. what is the probability of a value greater than 100?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

using x-value 100.5
z = .5/25/sqrt(64) = .16
P(z > .16) = 1 - .5636