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Assume that adults have IQ scores that are normally distributed with a mean of 97.6 and a standard deviation 22.4. Find the first quartile Q,,

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Assume that adults have IQ scores that are normally distributed with a mean of 97.6 and a standard deviation 22.4. Find the first quartile Q,, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is. (Type an integer or decimal rounded to one decimal place as needed.)

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