Posted by Confused on Thursday, May 5, 2011 at 1:53am.
jenny is 5'10" tall. the heights of the girls in the school are approximately normally distributed with a mean of 5'5" and a standard deviation of 2.6". What is the percentile of jenny's height?

Statistics  Confused, Thursday, May 5, 2011 at 2:09am
please help

Statistics  PsyDAG, Thursday, May 5, 2011 at 9:31am
Z = (scoremean)/SD
Insert the values to find Z. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.