The Chair of the Operations Management Department at Quality University

Multiple Choice

The Chair of the Operations Management Department at Quality University wants to construct a p-chart for determining whether the four instructors 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: What are the .95 (5% alpha risk) upper and lower control limits for the p-chart?

A) .95 and .05
B) .13 and .07
C) .1588 and .0412
D) .16 and .04
E) .1774 and .0226