Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival):
$$\begin{array} { l c c }
\text { Job } & \begin{array} { c }
\text { Processing Time } \
( \text { days } )
\end{array} & \begin{array} { c }
\text { Due Date } \
\text { (days from now) }
\end{array} \
\hline \mathrm { A } & 2 & 2 \
\mathrm {~B} & 5 & 6 \
\mathrm { C } & 6 & 10 \
\mathrm { D } & 3 & 4 \
\mathrm { E } & 4 & 8
\end{array}$$ What is the average completion time for the shortest processing time priority rule? Average job tardiness? Average number of jobs at the center?

Question

Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival):
 $$\begin{array} { l c c } 
\text { Job } & \begin{array} { c } 
\text { Processing Time } \
( \text { days } )
\end{array} & \begin{array} { c } 
\text { Due Date } \
\text { (days from now) }
\end{array} \
\hline \mathrm { A } & 2 & 2 \
\mathrm {~B} & 5 & 6 \
\mathrm { C } & 6 & 10 \
\mathrm { D } & 3 & 4 \
\mathrm { E } & 4 & 8
\end{array}$$ What is the average completion time for the shortest processing time priority rule? Average job tardiness? Average number of jobs at the center?

Quizplus · Accepted Answer

The Answer of Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival):
 $$\begin{array} { l c c } 
\text { Job } & \begin{array} { c } 
\text { Processing Time } \
( \text { days } )
\end{array} & \begin{array} { c } 
\text { Due Date } \
\text { (days from now) }
\end{array} \
\hline \mathrm { A } & 2 & 2 \
\mathrm {~B} & 5 & 6 \
\mathrm { C } & 6 & 10 \
\mathrm { D } & 3 & 4 \
\mathrm { E } & 4 & 8
\end{array}$$ What is the average completion time for the shortest processing time priority rule? Average job tardiness? Average number of jobs at the center?

Refer to the Following Data for Jobs Waiting to Be