The Manager of Lawn and Garden Services Would Like to Estimate

question 68

Multiple Choice

The manager of Lawn and Garden Services would like to estimate the proportion of her employees' time spent performing various gardening and lawn care activities. She has made 400 random observations of a typical worker, with the following results: $$\begin{array} { l r } \text { Activity } & \text { Times Observed } \\\hline \text { Mowing } & 200 \\\text { Trimming } & 80 \\\text { Raking } & 40 \\\text { Miscellaneous } & 80\end{array}$$ If the manager wants to be 95.44 percent confident that the true proportion of time spent mowing is within .02 (plus or minus) of the sample proportion, what should be her sample size?

• A) 400
• B) 1,000
• C) 1,600
• D) 2,000
• E) 2,500

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Definitions:

Frederick Taylor

An American engineer and management consultant considered the father of scientific management, focusing on improving industrial efficiency.

Telecommuting

A work arrangement that allows employees to work outside the traditional office environment, typically from home, based on the use of technology for communication.

Work Patterns

The habitual ways in which work is organized, scheduled, and performed within a society or organization.

Defining Work

The process of identifying and outlining the specific tasks, responsibilities, and goals associated with a job or role.