A Website Advertises Job Openings on Its Website,but Job Seekers

question 89

Multiple Choice

A website advertises job openings on its website,but job seekers have to pay to access the list of job openings.The website recently completed a survey to estimate the number of days it takes to find a new job using their service.It took the last 30 customers an average of 60 days to find a job.Assume the population standard deviation is 10 days.Calculate a 95% confidence interval of the population mean number of days it takes to find a job.

• A)[40.4000,79.6000]
• B)[55.9085,64.0915]
• C)[56.4215,63.5785]
• D)[56.9966,63.0034]

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Definitions:

Unused Capacity

The available but not utilized production ability of a company which could potentially generate revenue if employed.

Unit Cost

The cost incurred to produce, store, or acquire one unit of a product, calculated by dividing the total cost by the number of units.

Differential Cost

The difference in cost between two alternative decisions or scenarios.

Sunk Cost

Costs that have already been incurred and cannot be recovered or altered and should not affect future business decisions.