[Steps Shown] A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is
Question: A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
Deliverable: Word Document 
![[See Steps] Suppose that a category of](/images/solutions/MC-solution-library-73766.jpg "[See Steps] Suppose that a category of world-class runners are")
[See Steps] Suppose that a category of world-class runners are
![[Step-by-Step] Why is a 99% confidence interval](/images/solutions/MC-solution-library-73767.jpg "[Step-by-Step] Why is a 99% confidence interval wider than a 95%")
[Step-by-Step] Why is a 99% confidence interval wider than a 95%
(All Steps) A person claims to be able to predict the outcome
![[Step-by-Step] You take a sample of 22](/images/solutions/MC-solution-library-73769.jpg "[Step-by-Step] You take a sample of 22 from a population of test")
[Step-by-Step] You take a sample of 22 from a population of test
![[See Steps] You were interested in how](/images/solutions/MC-solution-library-73770.jpg "[See Steps] You were interested in how long the average psychology")
[See Steps] You were interested in how long the average psychology
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