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QuestionPsychology

"What percent of the population has an intelligence quotient below 100? A. 75% B. 50% C. 35% D. 10%"
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Step 1
Let's solve this step by step:

Step 2
: Understand the IQ Distribution

- IQ scores follow a normal distribution - The mean (average) IQ is 100 - The standard deviation is typically 15 points

Final Answer

Key Insight: In a normal distribution, exactly half the population falls below the mean, which for IQ is 100.

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