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Mathematics, 21.12.2019 03:31 arturo200
Exam scores for a large introductory statistics class follow an approximate normal distribution with an average score of 56 and a standard deviation of 5. the average exam score in your lab was 59.5. the 20 students in your lab sections will be considered a random sample of all students who take this class. what is the probability that the average score of a random sample of 20 students exceeds 59.5?
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