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:

Hardwood Trees

Trees that are characterized by their broad leaves, typically shed annually, and tend to have denser wood than softwoods.

Leaves

Broad, flat organs of plants primarily responsible for photosynthesis, transpiration, and gas exchange.

Winter

The coldest season of the year, characterized by short days, long nights, and typically snow or rain in temperate climates.

Permafrost

A layer of soil or rock below the Earth's surface that remains frozen throughout the year.