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

question 5

Multiple Choice

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.
​

• A)30,600,000 people
• B) 265,200,000 people
• C) 29,600,000 people
• D) 250,400,000 people
• E) 132,600,000 people

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