15. A report states the proportion of employees at a large company who worked overtime in the last month.
A poll randomly surveyed 200 employees, and 12% stated they had worked overtime in the last month.
The company reports with 95% confidence that less than 1 out of 6 employees worked overtime in the
last month. Evaluate the conclusion of this report
This report is accurate because 0.12 is less than 1/6, or 0.1667
This report is accurate because the 95% confidence interval is (0.075,0.165)
This report is not accurate because the 95% confidence interval is (0.068,0.172)
This report is not accurate because the sample is not large enough.