The Chair of the Operations Management Department at Quality University

question 33

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 in 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: $$\begin{array} { l r } \text { Instructor } & \text { Number of Failures } \\\hline \text { Prof. A } & 13 \\\text { Prof. B } & 0 \\\text { Prof. C } & 11 \\\text { Prof. D } & 16\end{array}$$
What is the estimate of the mean proportion of failures for these instructors?

• A) .10
• B) .11
• C) .13
• D) .16
• E) .40

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Definitions:

Ethnic Minorities

Groups within a community who share common national, tribal, religious, linguistic, or cultural origins, and are smaller in number compared to the majority population.

Speech-Language Pathology

The study and treatment of speech and language disorders, aiming to improve communication skills.

Hearing Parents

Parents who have the ability to hear, often used in the context of having children who are Deaf or hard of hearing.

Dominant Bicultural

Pertains to individuals who have integrated aspects of two distinct cultures, with one being more predominant in influencing their behavior, values, and identity.