SOLUTION: The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 18. An organization requires an IQ score of 136 or higher for membership. What perc

Algebra ->  Probability-and-statistics -> SOLUTION: The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 18. An organization requires an IQ score of 136 or higher for membership. What perc      Log On


   



Question 1061704: The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 18. An organization requires an IQ score of 136 or higher for membership. What percent of adults would qualify for membership? (Enter your answer to one decimal place.)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z score.
z=%28136-100%29%2F18=36%2F18=2
Find the probability of the z score,
P%28z%29=0.97725
Find the complement,
P=1-0.97725
P=0.02275
or 2.3%