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September 15, 2014

September 15, 2014

Posted by **HM** on Friday, November 25, 2011 at 3:40pm.

Use the empirical rule to find the percentage of values that lie above 23.

Now I did this on the Ti 83 by using Normalcdf(-5,1) and getting an answer of 0.84 and then 1-0.84 and I get about 15.9 in percentage but it is showing me wrong.

Help me I am confused.

Where am I going wrong?

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