SOLUTION: Can I get a step-by-step explanation on how to work this problem out please? :( A Math test has a mean of 41 and standard deviation of 12.0. Find the corresponding z scores for:

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Question 614960: Can I get a step-by-step explanation on how to work this problem out please? :(
A Math test has a mean of 41 and standard deviation of 12.0. Find the corresponding z scores for:

I. a test score of 35
II. a test score of 69
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
z-score is equal to (actual score minus the mean) divided by (standard deviation)
mean is 41
standard deviation is 12
I. a test score of 35
(35-41)/12 = -6/12 = -.5

II. a test score of 69
(69-41)/12 = 28/12 = 2.33333333