SOLUTION: For a normally distributed variable with a mean of 10 and standard deviation of 5, what is the proportion of the data with negative values?

Question 1019277: For a normally distributed variable with a mean of 10 and standard deviation of 5, what is the proportion of the data with negative values?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
If the data has a mean of 10 and a standard deviation of 5, negative values would be present when they are more than two s.d. away...two s.d. covers 95% of the data...that means 2.5% of the data is negative...
Or if you wanted negative to positive, that would be 2.5 / 97.5 = 1/39.
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