SOLUTION: Human IQ scores are approximately normally distributed with the mean 100 and standard deviation 15. determine the minimum iq scores for the top 5 % of the population
Algebra ->
Probability-and-statistics
-> SOLUTION: Human IQ scores are approximately normally distributed with the mean 100 and standard deviation 15. determine the minimum iq scores for the top 5 % of the population
Log On
Question 322560: Human IQ scores are approximately normally distributed with the mean 100 and standard deviation 15. determine the minimum iq scores for the top 5 % of the population Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Human IQ scores are approximately normally distributed with the mean 100 and standard deviation 15. determine the minimum iq scores for the top 5 % of the population
-----------------------------
Find the z-score with a left tail of 0.95
----
invNorm(0.95) = 1.645
----
Find the corresponding x-score using x = zs +u
---
x = 1.645(15) = 100
---
x = 124.675
===============
Cheers,
Stan H.
===============