Mathematics, 05.10.2020 15:01 giordanolucia18

Scores of an IQ test have a bell-shaped distribution with a mean of 100
and a standard deviation of
16.
Use the empirical rule to determine the following.
(a) What percentage of people has an IQ score between
68
and
132?
(b) What percentage of people has an IQ score less than
52
or greater than
148?
(c) What percentage of people has an IQ score greater than
132?

Answers: 2

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Scores of an IQ test have a bell-shaped distribution with a mean of 100
and a standard deviat...