Mathematics, 06.07.2020 14:01, wolfsaway

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 134?

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