Multiple Choice
A HR manager conducted a review of overtime worked by employees. Her sample size was 60 employees and there was a mean of 90 hours worked overtime per month. Her confidence interval was 95%. What would be the upper boundary confidence interval for this study?
A) 91.86 hours
B) 88.14 hours
C) 90 hours
D) 9.5 hours
Correct Answer:
Verified
Correct Answer:
Verified
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