Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 17. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 83 and 117​? ​(b) What percentage of people has an IQ score less than 49 or greater than 151​? ​(c) What percentage of people has an IQ score greater than 151​?       Question content area bottom Part 1 ​(a) enter your response here​% ​(Type an integer or a​ decimal.) Part 2 ​(b) enter your response here​% ​(Type an integer or a​ decimal.) Part 3 ​(c) 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
17.
Use the empirical rule to determine the following.
​(a) What percentage of people has an IQ score between
83
and
117​?
​(b) What percentage of people has an IQ score less than
49
or greater than
151​?
​(c) What percentage of people has an IQ score greater than
151​?
 
 
 

Question content area bottom

Part 1
​(a)
enter your response here​%
​(Type an integer or a​ decimal.)
Part 2
​(b)
enter your response here​%
​(Type an integer or a​ decimal.)
Part 3
​(c)
enter your response here​%
​(Type an integer or a​ decimal.)
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