SOLUTION: A particular IQ test is standardised to a normal model with a mean of 120 and a standard deviation of 9. Using empirical rule determine about what percent of people should have IQ

SOLUTION: A particular IQ test is standardised to a normal model with a mean of 120 and a standard deviation of 9. Using empirical rule determine about what percent of people should have IQ

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Question 1163022: A particular IQ test is standardised to a normal model with a mean of 120 and a standard deviation of 9. Using empirical rule determine about what percent of people should have IQ scores more than 120?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
That is 50%. Half is more than the mean, half less.
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