The Chair of the Operations Management Department at Quality University

question 74

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: $$\begin{array} { l c } \text { Instructor } & \text { Number of Failures } \\\hline \text { Prof. A } & 13 \\\text { Prof. B } & 0 \\\text { Prof. C } & 11 \\\text { Prof. D } & 16\end{array}$$ Using .95 control limits (5 percent risk of Type I error) , which instructor(s) , if any, should he conclude is (are) out of control?

• A) none
• B) Prof. B
• C) Prof. D
• D) both Prof. B and Prof. D
• E) all

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Definitions:

CAH

Congenital Adrenal Hyperplasia, a genetic disorder affecting the adrenal glands and influencing the production of certain hormones.

Gender Identity

An individual's personal sense of their own gender, which may or may not correspond to the sex assigned at birth.

Social Adjustment

The process by which an individual modifies their behavior to align with the norms and expectations of a social group or society.

Minority Children

Children who belong to a racial, ethnic, or cultural minority group, often facing distinct social, educational, and health challenges.