# IQ Curve

IQ's have a mean of 100 and a standard deviation of 15. Find the IQ score that defines the top 2.5% of all IQ scores.

#### Solution Preview

We need to find A such that

P(IQ>A)=0.025 ..........................(1)

Note that IQ follows a normal distribution with ...

#### Solution Summary

The solution calculates the IQ based on the distribution.

$2.19