IQ scores (as measured by the Stanford-Binet intelligence test) are normally distributed with a mean of 100 and a standard deviation of 16. Find the approximate number of people in the U.S. (assuming a total population of 280,000,000) with an IQ higher than 120.

Round your answer to the nearest 100,000.

__________ people

Question

IQ scores (as measured by the Stanford-Binet intelligence test) are normally distributed with a mean of 100 and a standard deviation of 16. Find the approximate number of people in the U.S. (assuming a total population of 280,000,000) with an IQ higher than 120.
​
Round your answer to the nearest 100,000.
​
__________ people

Quizplus · Accepted Answer

The Answer of IQ scores (as measured by the Stanford-Binet intelligence test) are normally distributed with a mean of 100 and a standard deviation of 16. Find the approximate number of people in the U.S. (assuming a total population of 280,000,000) with an IQ higher than 120.
​
Round your answer to the nearest 100,000.
​
__________ people

IQ Scores (As Measured by the Stanford-Binet Intelligence Test) Are