Mathematics, 20.09.2020 14:01 kholman

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and standard deviation of 10. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 90 and 110?
(b) What percentage of people has an IQ score less than 70 or greater than 130?

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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and standard deviation of 10. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 90 and 110? (b) What percentage of people has an IQ score less than 70 or greater than 130?

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Other questions on the subject: Mathematics

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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and standard deviation of 10. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 90 and 110?
(b) What percentage of people has an IQ score less than 70 or greater than 130?