Intelligence Quotient (IQ) scores are distributed normally with mean 100 and standard deviation 15. (Figure 6 shows

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Intelligence Quotient (IQ) scores are distributed normally with mean 100 and standard deviation 15. (Figure 6 shows the corresponding probability density function.)

(a) What percentage of the population has an IQ score between 85 and 115?

(b) What percentage of the population has an IQ above 140?

Figure 6

y 0.02+ 0.01+ 0 + + + 60 80 100 120 140 X

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Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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Question Posted: Nov 09, 2023 05:52 AM

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Intelligence Quotient (IQ) scores are distributed normally with mean 100 and standard deviation 15. (Figure 6 shows

Question:

y 0.02+ 0.01+ 0 + + + 60 80 100 120 140 X

Step by Step Answer:

a Since IQ scores are normally distributed we use the probability density functi...View the full answer

Calculus

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