SOLUTION: An IQ test is approximately normally distributed witha mean of 100 and standard deviation of 15. What is the probability that a randomly chosen individual has an IQ score of 110 o

Question 437222: An IQ test is approximately normally distributed witha mean of 100 and standard deviation of 15.
What is the probability that a randomly chosen individual has an IQ score of 110 or higher?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
An IQ test is approximately normally distributed witha mean of 100 and standard deviation of 15.
What is the probability that a randomly chosen individual has an IQ score of 110 or higher?
--------------
z(110) = (110-100)/15 = 2/3
----
P(x>= 110) = P(z >= (2/3)) = normalcdf(2/3,100) = 0.2525
====================
Cheers,
Stan H.
====================
RELATED QUESTIONS
IQ scores of adults are normally distributed with a mean of 100 and a standard deviation... (answered by stanbon,ewatrrr)

IQ scores are normally distributed with a mean score of 100 and a standard deviation of... (answered by ewatrrr)

Given IQ scores are approximately normally distributed with a mean of 100 and standard... (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)

IQ test scores are normally distributed with a mean of 100 and a standard deviation of... (answered by solver91311)

Human IQ scores are approximately normally distributed with the mean 100 and standard... (answered by stanbon)

Ok scores on an IQ test are normally distributed. The mean is 100 adn the standard... (answered by stanbon)