Question
Scores of an IQ test have abell-shaped distribution with a mean of 100 and a standard deviation of 12. Use the empirical rule to determine
Scores of an IQ test have abell-shaped distribution with a mean of 100 and a standard deviation of 12. Use the empirical rule to determine the following.
(a) What percentage of people has an IQ score between 76 and 124?
(b) What percentage of people has an IQ score less than 88 or greater than 112?
(c) What percentage of people has an IQ score greater than 136?
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Elementary Linear Algebra Applications Version
Authors: Howard Anton, Chris Rorres
11th Edition
1118879163, 9781118879160
