Instruction 2 -Referring to Instruction 2

question 88

Multiple Choice

Instruction 2.4
The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier.
$$\begin{array} { | l | l | } \hline \text { Time (in Minutes) } & \text { Relative Frequency } \\\hline0 \text { but less than 5 } & 0.37 \\\hline 5 \text { but less than 10 } & 0.22 \\\hline \begin{array} { l } 10 \text { but less than } \\15\end{array} & 0.15 \\\hline \begin{array} { l } 15 \text { but less than } \\20\end{array} & 0.10 \\\hline \begin{array} { l } 20 \text { but less than } \\25\end{array} & 0.07 \\\hline \begin{array} { l } 25 \text { but less than } \\30\end{array} & 0.07 \\\hline 30 \text { or more } & 0.02 \\\hline\end{array}$$
-Referring to Instruction 2.4,if 100 calls were randomly sampled,_________of them would have lasted at least 15 minutes but less than 20 minutes.

• A) 0.16
• B) 10
• C) 0.10
• D) 16

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Definitions:

Management Development Programs

Structured training and educational initiatives designed to enhance the leadership skills of managers.

Cost Formula

An equation or method used to determine the total cost of production or service provision, typically including fixed and variable components.

Activity Level

The degree of operational output or workload that can significantly affect a company’s performance and cost structure.

Total Cost

The sum of all costs incurred in the production of goods or services, including both fixed and variable costs.