Given
The mean is 100, and the standard deviation is 15.
To find the percent of people having an IQ score between 90 and 115.
Step-by-step explanation:
It is given that,
The mean is 100, and the standard deviation is 15.
That implies,
![\begin{gathered} P(90Therefore, the percent is,[tex]\begin{gathered} Percent\text{ }of\text{ }people=0.59*100 \\ =59\% \end{gathered}]()
Hence, the percent of people having an IQ score between 90 and 115 is 59%.