Given the Following Work Sampling Data, Based Upon 100 Random

question 2

Short Answer

Given the following work sampling data, based upon 100 random observations of a particular worker: $$\begin{array} { l c } \text { Activity } & \text { Times Observed } \\\hline \text { A } & 20 \\\text { B } & 50 \\\text { C } & 10 \\\text { Others } & 20\end{array}$$ For a confidence level of 95.44 percent and a maximum error of .04, what should be the sample size for estimating the proportion of time spent performing activity A?

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Definitions:

Dispatching Rule

A guideline or policy used in scheduling to determine the order in which jobs or tasks are assigned to resources, aiming to optimize a certain objective.

Critical Ratio

A scheduling or prioritization technique that calculates the ratio of the time remaining until a task's due date to the time required to complete the task, used to order tasks by urgency.

Due Date

The specified date by which a task, project, or payment is required to be completed or submitted.

Priority Rule

A guideline or criterion used to determine the sequence in which tasks or operations will be carried out in a process or system.