For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.

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asked Mar 4, 2017 235k views

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Aleksey Solovey · Answer 1 · 2017-03-10T03:14:12+0000

In the back of your statistics text, there is a table labeled something like "areas under the normal distribution." Look for the portion values for the longer or smaller portion to get your Z score.

I really hope this helps you :)

For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.

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