Posted by donna on Sunday, October 3, 2010 at 10:29am.
http://davidmlane.com/hyperstat/z_table.html
Try in the region of 135
Also you can find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion indicated. Insert Z score value in the formula below and solve for the score.
Z = (score-mean)/SD = (score-110)/15
This method does not require a computer or electricity.
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