Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 10. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 80 and 120​? ​(b) What percentage of people has an IQ score less than 90 or greater than 110​? ​(c) What percentage of people has an IQ score greater than 110​? Part 1 ​(a) enter your response here​% ​(Type an integer or a​ decimal.)

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Scores of an IQ test have a​ bell-shaped distribution with a mean of
100
and a standard deviation of
10.
Use the empirical rule to determine the following.
​(a) What percentage of people has an IQ score between
80
and
120​?
​(b) What percentage of people has an IQ score less than
90
or greater than
110​?
​(c) What percentage of people has an IQ score greater than
110​?
Part 1
​(a)
enter your response here​%
​(Type an integer or a​ decimal.)
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