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According to psychologists, IQs are normally distributed, with a mean of 100 and a standard deviation of 15. a. What percentage of the population has

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According to psychologists, IQs are normally distributed, with a mean of 100 and a standard deviation of 15. a. What percentage of the population has IQs between 85 and 100? b. What percentage of the population has IQs below 55? % should have IQ scores between 85 and 100. (Type an integer or a decimal.)

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