SOLUTION: Assume that adults have IQ scores that are normally distributed with a mean of
105
and a standard deviation
20.
Find P10​,
which is the IQ score separating the bott
Algebra.Com
Question 1044403: Assume that adults have IQ scores that are normally distributed with a mean of
105
and a standard deviation
20.
Find P10,
which is the IQ score separating the bottom
10%
from the top
90%.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z(0.10)=-1.28
-1.28=(x-105)/20
-25.6=x-105
x=79.4 or 79
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