A Computer Company Employs 100 Software Engineers and 100 Hardware

question 50

Multiple Choice

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; 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.
• 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; 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.

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Definitions:

Top-Two Primary

A primary election in which the two candidates with the most votes, regardless of party affiliation, advance to the general election.

Qualifications

The attributes, such as skills, knowledge, and experience, required to perform a job or task, or to hold a specific position or office.

Voter Fraud

Illegal interference with the election process by various means, including tampering with voting machines or ballots to alter the outcome.

Office-Column Ballot

A method of voting in elections where candidates are listed by office rather than by party, focusing on the position rather than party affiliation.