Assume That Adults Have IQ Scores That Are Normally Distributed $\text { Find } P _ { 10 } \text {, which is the IQ }$

Multiple Choice

Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test) $\text { Find } P _ { 10 } \text {, which is the IQ }$ core separating the bottom 10% from the top 90%.

A) 80.8
B) 80.1
C) 81.9
D) 81.3