Mathematics
Mathematics, 20.12.2019 02:31, shawk6230

Student scores on exams given by a certain instructor have mean 74 and standard deviation 14. this instructor is about to give two exams, one to a class of size 25 and the other to a class of size 64. approximate the probability that the average test score in the class of size 25 exceeds 80.

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Student scores on exams given by a certain instructor have mean 74 and standard deviation 14. this i...

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