Quiz01B

# 7517 3e the lower and upper z scores for the middle

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Unformatted text preview: the right is 0.3483. • • • • 3C. The area to the left is 0.8508. • • • • 3D. The area to the right is 0.7517. • • • • 3E. The lower and upper z-scores for the middle 0.7994. • • • • 4. Scores on the Stanford-Binet Intelligence Test are normally distributed with mean 100 and standard deviation 16. 4A. What percent of people have an IQ score above 132 ? • • • • 4B. What is the probability that a randomly chosen person has an IQ score below 110? • • • • 4C. What is the probability that a randomly chosen person has an IQ score between 90 and 120? • • • • 4D. What IQ score separates the top 3% from the bottom 97%? • • • • 4E. The middle 50% falls between which lower and upper IQ scores? • • • •...
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