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A Final Exam in Math 160 Has a Mean of 73

Question 137

Multiple Choice

A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 71.


A) 0.9012
B) 0.5036
C) 0.8962
D) 0.0008

Correct Answer:

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