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Mathematics, 28.02.2021 01:00 adiaripley6408

Assume that adults have IQ scores that are normally distributed with a mean of 99.2 and a standard deviation 23.3. Find the first quartile Q1, 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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Assume that adults have IQ scores that are normally distributed with a mean of 99.2 and a standard d...
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