The Employees of Cybertronics Inc

question 56

Multiple Choice

The employees of Cybertronics Inc.need to complete a certification online.A random sample of 49 employees gives an average time for completion of all the coursework and passing the tests of 6 hours.Assume that the population standard deviation is 6 hours and the population of employees is fairly large.Construct a 95% confidence interval for the average time required to complete the certification.

• A) 18.28 to 21.72
• B) 18.32 to 21.68
• C) 18.36 to 21.64
• D) 18.40 to 21.60
• E) 19.76 to 20.24

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Definitions:

Incremental Cost

The additional cost associated with producing one more unit of a product or service.

Additional Unit

The next unit of product or service to be produced beyond the current production level, often considered in the context of marginal cost analysis.

Average Cost

The cost per unit of output, typically calculated by dividing total costs by the total quantity produced; synonymous with average total cost.

Production

The process of creating, growing, manufacturing, or improving goods and services.