Given the Following Work Sampling Data, Based Upon 100 Random

question 39

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 86.64 percent, what is the maximum error of the estimate for activity B?

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Definitions:

Bacteriology

The branch of microbiology concerned with the study of bacteria, their structure, function, and role in disease.

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A colorless, flammable chemical compound with a strong odor, commonly used as a disinfectant, solvent, and antiseptic.