Instruction 2 -Referring to Instruction 2

question 134

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 sampled,_________ of them would have lasted less than 5 minutes or at least 30 minutes or more.

• A) 39
• B) 35
• C) 37
• D) None of the above.

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Definitions:

Cash Budget

A financial plan that estimates cash inflows and outflows over a specific period, typically used to assess liquidity and manage cash effectively.

Rolling Budget

A continuously updated budget that extends into the future for a consistent period, as current months pass, new months are added to the budget.

Incremental Time Period

A specific duration over which the additional effects of decisions or changes are measured.

Cash Budget

A forecast that estimates the cash inflows and outflows over a specific period, helping to manage liquidity and financial planning.