8. A randomly chosen IQ test taker obtains a score that is approximately a normal random variable...

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8. A randomly chosen IQ test taker obtains a score that is approximately a normal random variable with mean 100 and standard deviation 15. What is the probability that the test score of such a person is

(a) above 125;

(b) between 90 and 110?

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A First Course In Probability

ISBN: 9780137463145

5th Edition

Authors: Sheldon M. Ross

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Question Posted: Sep 07, 2024 05:02 AM

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8. A randomly chosen IQ test taker obtains a score that is approximately a normal random variable...

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A First Course In Probability

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