tylerq333 tylerq333
  • 11-11-2022
  • Mathematics
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Assume that adults have IQ scores that are normally distributed with a mean of 99.2 and a standard deviation 19.5. 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

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