Posted by Anthony on .
Kyle averages 5 finished accounts a day. His standard deviation is 1 account per day and we want the percentile for a day where he finishes 8 accounts. The percentile will be betweenâ€¦

Statistics 
PsyDAG,
Z = (scoremean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.