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In: Statistics and Probability

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

Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 18. Use the empirical rule to determine the following.

​(a) What percentage of people has an IQ score between 82 and 118​?

​(b) What percentage of people has an IQ score less than 64 or greater than 136​?

​(c) What percentage of people has an IQ score greater than 118​?

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