Exam (elaborations)
Exam (elaborations) MATH 221 Statistics For Decision Making
- Institution
- Devry University
(CO 4) From a random sample of 55 businesses, it is found that the mean time that employees spend on personal 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 on personal issues? (5.74, 5.90) (5.71, 5.89) (5...
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