A Company Is Interested in Estimating $$\mu$$ , the Mean Number of Days of Sick Leave Taken

question 142

Multiple Choice

A company is interested in estimating $$\mu$$ , the mean number of days of sick leave taken by its employees. The firm's statistician randomly selects 100 personnel files and notes the number of sick days taken by each employee. The sample mean is 12.2 days. From historical records, the population standard deviation is about 10 days.
-A 93% confidence interval for $\mu$
,the mean number of days of sick leave would be _____.

• A)[10.725,13.675]
• B)[10.390,14.010]
• C)[12.019,12.381]
• D)[12.053,12.348]
• E)[11.735,12.665]

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Definitions:

Hourly Wage

Compensation paid to an employee based on the number of hours worked.

Variable Pay

A portion of employees’ pay that is based on a measure of performance.

Performance Measure

Metrics or standards used to evaluate the effectiveness, quality, or success of a task, process, or organization.

Performance Measure

A metric or standard used to evaluate the efficiency, effectiveness, or success of an individual's or organization's actions.