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The average age of students at INTI International University is known to be 22.5 years old....

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Statistics

The average age of students at INTI International University isknown to be 22.5 years old. Assume the population is normallydistributed with a standard deviation of 5 years. Find theprobability that the mean age of a sample of 64 students is between20.9 and 23.8 years old.

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