Provide an Appropriate Response

question 117

Multiple Choice

Provide an appropriate response.
-A computer company employs 100 software engineers and 100 hardware engineers. The personnel manager randomly selects 20 of the software engineers and 20 of the hardware engineers and questions them about
Career opportunities within the company. Does this sampling plan result in a random sample? Simple random
Sample? Explain.

• A) Yes; no. The sample is random because all employees have the same chance of being selected. It is not a simple random sample because some samples are not possible, such as a sample consisting of 30 software
• Engineers and 10 hardware engineers.
• B) No; yes. The sample is not random because not all employees have the same chance of being selected. It is a simple random sample because all samples of size 40 have the same chance of being selected.
• C) Yes; yes. The sample is random because all employees have the same chance of being selected. It is a simple random sample because all samples of size 40 have the same chance of being selected.
• D) No; no. The sample is not random because not all employees have the same chance of being selected. It is not a simple random sample because some samples are not possible, such as a sample consisting of 30
• Software engineers and 10 hardware engineers.

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Definitions:

Future Value

Value of cash flows at a future date, taking into account interest accumulated between when the cash flow occurred and the future date.

Double-Declining Balance

An accelerated method of depreciation that doubles the rate at which an asset’s book value declines compared to straight-line depreciation.

Straight-Line Depreciation

A method of allocating the cost of an asset evenly over its useful life.

Depreciation Tax Shield

The reduction in taxes due to depreciation’s reducing taxable income.