The Chair of the Operations Management Department at Quality University

question 85

Multiple Choice

The chair of the operations management department at Quality University wants to construct a p-chart for determining whether the four faculty teaching the basic P/OM course are under control with regard to the number of students who fail the course. Accordingly, he sampled 100 final grades from last year for each instructor, with the following results: $$\begin{array} { l c } \text { Instructor } & \text { Number of Failures } \\\hline \text { Prof. A } & 13 \\\text { Prof. B } & 0 \\\text { Prof. C } & 11 \\\text { Prof. D } & 16\end{array}$$ What is the estimate of the standard deviation of the sampling distribution for an instructor's sample proportion of failures?

• A) .0075
• B) .03
• C) .075
• D) .3
• E) .75

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Definitions:

Wrapping Instruments

The process of enclosing medical instruments in protective covers before sterilization to maintain their sterility until use.

Sterilization

A process designed to eliminate all forms of life, including microbial spores, by applying methods such as heat, chemicals, or radiation.

Autoclave

A device used to sterilize equipment and supplies by subjecting them to high-pressure saturated steam at a particular temperature for a specified period.

Wrapped Packs

Sterilized packages containing medical or surgical instruments and supplies, prepared for use in various procedures.