Examen
MATH 221 Week 7 Quiz (100% CORRECT ANSWERS)
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Week 7 Quiz Question 1 2 / 2 pts (CO6) From a random sample of 68 businesses, it is found that the mean time that employees spend on personal issues each week is 4.9 hours with a standard devi ation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? ...
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