Question
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 12 . Use the empirical rule
Scores of an IQ test have a bell-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 64 and 136?
(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 124?
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
