Instruction 2 -Referring to Instruction 2

question 12

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,what is the cumulative relative frequency for the percentage of calls that lasted 10 minutes or more?

• A) 0.24
• B) 0.41
• C) 0.90
• D) 0.16

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Definitions:

Technical Skills

Abilities and knowledge in a specific field, particularly related to science, engineering, technology, or mechanics, often requiring specialized training.

Financial Stability

A state where the financial system, institutions, markets and infrastructure operate effectively and efficiently, withstanding shocks and avoiding crises.

Homogeneous

Composed of parts or elements that are all of the same kind; not heterogeneous or mixed.

Social Capital

Links among individuals in a particular society, aiding in the society's effective operation.