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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 19. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 43 and 157? (b) What percentage of people has an IQ score less than 81 or greater than 119? (c) What percentage of people have an IQ score greater than 157?
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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a...
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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a...
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