[See Steps] A statistics professor believes that the final exam for her students should have a normal distribution with a mean of 80 and a standard deviation
Question: A statistics professor believes that the final exam for her students should have a normal distribution with a mean of 80 and a standard deviation of 5. Find the score which separates the top 10% of the scores from the lowest 90% of the scores.
Deliverable: Word Document 
(See Solution) The repair time for AC units is believed to have a normal
![[See Steps] A piece of electronic equipment](/images/solutions/MC-solution-library-74409.jpg "[See Steps] A piece of electronic equipment contains nine computer")
[See Steps] A piece of electronic equipment contains nine computer
(Solution Library) A piece of electronic equipment contains nine computer
![[Steps Shown] A piece of electronic equipment](/images/solutions/MC-solution-library-74411.jpg "[Steps Shown] A piece of electronic equipment contains nine computer")
[Steps Shown] A piece of electronic equipment contains nine computer
![[Solution] Johnny wants to construct a 95%](/images/solutions/MC-solution-library-74412.jpg "[Solution] Johnny wants to construct a 95% confidence interval.")
[Solution] Johnny wants to construct a 95% confidence interval.
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