SOLUTION: Suppose your manager indicates that for a normally distributed data set you are analyzing, your company wants data points between z = − 1.6 z=-1.6 and z = 1.6 z=1

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Question 1127108: Suppose your manager indicates that for a normally distributed data set you are analyzing, your company wants data points between
z
=

1.6
z=-1.6
and
z
=
1.6
z=1.6
standard deviations of the mean (or within 1.6 standard deviations of the mean). What percent of the data points will fall in that range?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is about 90%, since +/-1.645 is z-value for 90% CI.
The actual per cent is 89.0%.