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1. Discuss the fact that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Ashton Kutcher has been

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1. Discuss the fact that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Ashton Kutcher has been reported on several websites to have an IQ of 160. a. What does it mean to have an IQ of 160? b. What is the z-score of Ashton Kutcher's IQ? c. What proportion of people have an IQ score of more than 160? d. Assuming there are about 323 million Americans, how many Americans have an IQ of over 160? e. Do you think these websites are correct about the IQ of Ashton Kutcher

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