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Problem #5: IQs are known to be normally distributed with mean 100 and standard deviation 15. (a) What percentage of people have an IQ lower

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Problem #5: IQs are known to be normally distributed with mean 100 and standard deviation 15. (a) What percentage of people have an IQ lower than 93? (b) Fill in the blank. 70% of the population have an IQ that is greater than ? Problem #5(a): Enter your answer as a percentage, correct to 2 decimals, without the % sign. e.g., 28.31 Problem #5(b): answer correct to 2 decimals

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