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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, the Chair sampled $100$ final grades from last year for each instructor, with the following results:

Instructor

Number of Failures

Prof. A

$13$

Prof. B

Prof. C

$11$

Prof. D

$16$

What are the $\mathrm{.}95(5\%$ alpha risk$)$ upper and lower control limits for the p$-$chart?

Multiple Choice

$1588$ and $\mathrm{.}0412$

$16$ and $04$

$<$ Prey.

$9$ of $10$

Next $>$

$8$

$$

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