MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the
following.
(a) What percentage of people has an IQ score between 40 and 160?
(b) What percentage of people has an IQ score less than 80 or greater than 120?
(c) What percentage of people has an IQ score greater than 120?
......
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Transcribed Image Text:Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 40 and 160? (b) What percentage of people has an IQ score less than 80 or greater than 120? (c) What percentage of people has an IQ score greater than 120? ......
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