Solve the Problem. -A Final Exam in Math 160 Has a Mean of a Mean

question 89

Multiple Choice

Solve the problem.
-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) 0.8962
• B) 0.5036
• C) 0.9012
• D) 0.0008