SCENARIO 2-5
the Following Are the Duration in Minutes of a Sample

question 154

Multiple Choice

SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier. $$\begin{array} { l c } \text { Time(inMinutes) } & \begin{array} { c } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}$$
-Referring to Scenario 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

• A)10
• B)14
• C)26
• D)74

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Definitions:

Rate of Return

The increase or decrease in the value of an investment during a certain timeframe, represented as a percentage of the original investment's cost.

Markup Percentage

The percentage added to the cost of goods to cover overhead and profit, determining the selling price.

Factory Overhead

Costs associated with production that are not directly tied to individual products, including utilities, maintenance, and salaries of supervisory staff.

Activity-Based Costing

A costing method that assigns overhead and indirect costs to related products and services based on the amount of activities used to produce them.