Exam (elaborations)
MATH 221 Quiz Week 7 : DeVry University, New York - Worth 60 Points.
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MATH221 Quiz Week 7 A Formulas Included Questions 1 (CO 4) From a random sample of 55 businesses, it is found that the mean time that employees spend on persona issues each week is 5.8 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the amount of time spent ...
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