Posted by Mya on .
Find the probability that a randomly selected person has an IQ score between 88 and
112.

statistics 
drwls,
The "sigma" or standard deviation for IQ sorces is 16, and the mean is 100. You are asking for the probability that the IQ is between 0.75 sigma and +0.75 sigma of the mean of a normal distribution.
Using the computational tool at
(Broken Link Removed) I get 54.7%