[Steps Shown] A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50.
Question: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If 40 different applicants are randomly selected, find the probability that their mean is above 215.
Deliverable: Word Document 
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[Solution] A study of the amount of time it takes a mechanic to
![[Solution] Find the standard deviation for the](/images/solutions/MC-solution-library-45802.jpg "[Solution] Find the standard deviation for the given probability")
[Solution] Find the standard deviation for the given probability
![[See Solution] Find the Critical value z_alpha](/images/solutions/MC-solution-library-45803.jpg "[See Solution] Find the Critical value z_alpha /2 that corresponds")
[See Solution] Find the Critical value z_alpha /2 that corresponds
![[Solution Library] Use the confidence level and](/images/solutions/MC-solution-library-45804.jpg "[Solution Library] Use the confidence level and sample data to find the")
[Solution Library] Use the confidence level and sample data to find the
(All Steps) Use the confidence level and sample data to find a confidence
Calculator to Compare Sample Correlations - MathCracker.com