Solution: A population has a normal distribution with a mean of 130 and a standard deviation of 30. Find the probability that a single element selected
Question: A population has a normal distribution with a mean of 130 and a standard deviation of 30. Find the probability that a single element selected from the population will have a value between 139.50 and 167.25.
Deliverable: Word Document 
(Solution Library) Use the population described in problem 2 above.
![[Steps Shown] Explain the reason the answers](/images/solutions/MC-solution-library-36160.jpg "[Steps Shown] Explain the reason the answers to 2 and 3 above")
[Steps Shown] Explain the reason the answers to 2 and 3 above
Solution: A sample of 100 elements produced a mean of 84 and a
![[Steps Shown] A sample of 20 elements](/images/solutions/MC-solution-library-36162.jpg "[Steps Shown] A sample of 20 elements produced a mean of 58 and")
[Steps Shown] A sample of 20 elements produced a mean of 58 and
![[Step-by-Step] A sample of 400 elements produced](/images/solutions/MC-solution-library-36163.jpg "[Step-by-Step] A sample of 400 elements produced a sample proportion")
[Step-by-Step] A sample of 400 elements produced a sample proportion
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