The Manager of Lawn and Garden Services Would Like to Estimate

question 15

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: $$\begin{array} { l c } \text { Activity } & \text { Time Observed } \\\hline \text { Mowing } & 200 \\\text { Trimming } & 80 \\\text { Raking } & 40 \\\text { Miscellaneous } & 80\end{array}$$
Between what limits can the manager be 68.26 percent confident about the true proportion of time spent mowing?

• A) 0 and .683
• B) .475 and .525
• C) .45 and .55
• D) .425 and .575
• E) .4 and .6

Convert between kiloliters and gallons for large-volume liquid conversions.

Convert between pounds and grams for weights.

Convert weight to cost given a specific rate and perform rounding operations.

Convert between kilograms and ounces and calculate packaging options.

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Definitions:

Price Decrease

A reduction in the monetary value or cost of goods and services.

Demand

A relation between the price of a good and the quantity that consumers are willing and able to buy per period, other things constant.

Willing and Able

The readiness and capability of individuals or groups to engage in a particular activity.

Buyers

Individuals or entities that purchase goods or services for personal use, resale, or production.