SOLUTION: IQ scores are normally distributed with a mean score of 100 and a standard deviation of 15. What is the probability that a person selected at random will have an IQ larger than 125

Question 411020: IQ scores are normally distributed with a mean score of 100 and a standard deviation of 15. What is the probability that a person selected at random will have an IQ larger than 125?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

*Note: 

 z = 25/15 = 1.6667

 P( z > 1.6667) = .0478



 

RELATED QUESTIONS

IQ scores of adults are normally distributed with a mean of 100 and a standard deviation... (answered by stanbon,ewatrrr)
IQ scores of adults are normally distributed with a mean of 100 and a standard deviation... (answered by ewatrrr)
if IQ scores are normally distributed with a mean of 100 and a standard deviation of 5,... (answered by robertb)
Suppose standard IQ scores are known to be normally distributed with mean of 100 and... (answered by stanbon)
B)If IQ scores are normally distributed with a mean of 100 and a standard deviation of... (answered by ewatrrr)
 The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100... (answered by Boreal)
IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15
 (answered by nerdybill)
IQ test scores are normally distributed with a mean of 100 and a standard deviation of... (answered by khwang)
Iq test scores are normally distributed with a mean of 100 and a standard deviation of... (answered by Fombitz)