Assume that adults have IQ scores that are normally distributed with a mea separating the bottom 25% from the top 75%. (Hint: Draw a graph.)

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Assume that adults have IQ scores that are normally distributed with a mean of 95.4 and a standard deviation 24.2. 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.)
Enter your answer in the answer box
&
#3
$
7
8.
9.
3
4
5
< 6
Transcribed Image Text:on Heip Assume that adults have IQ scores that are normally distributed with a mean of 95.4 and a standard deviation 24.2. 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.) Enter your answer in the answer box & #3 $ 7 8. 9. 3 4 5 < 6
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