Exam (elaborations)
MATH 221 Week 7 Quiz
- Course
- MATH 221 (MATH221)
- Institution
- Devry University
1. Question:(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 4.9 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? 2. Question:(CO 4) I...
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