The jobs listed below needed to be completed. Assume that it is now day 140. If the jobs are sequenced according to shortest processing time rule, what is the average completion time? $$\begin{array} { | c | c | c | }
\hline \text { Job } & \begin{array} { c }
\text { Processing } \
\text { Time (days) }
\end{array} & \begin{array} { c }
\text { Job due date } \
\text { (days) }
\end{array} \
\hline \text { A } & 20 & 180 \
\hline \text { B } & 30 & 200 \
\hline \text { C } & 10 & 175 \
\hline \text { D } & 16 & 230 \
\hline \text { E } & 18 & 210 \
\hline
\end{array}$$
A) 47.6 days
B) 60.2 days
C) 94.0 days
D) 2.5 days
E) 238.0 days

Question

The jobs listed below needed to be completed. Assume that it is now day 140. If the jobs are sequenced according to shortest processing time rule, what is the average completion time? $$\begin{array} { | c | c | c | } 
\hline \text { Job } & \begin{array} { c } 
\text { Processing } \
\text { Time (days) }
\end{array} & \begin{array} { c } 
\text { Job due date } \
\text { (days) }
\end{array} \
\hline \text { A } & 20 & 180 \
\hline \text { B } & 30 & 200 \
\hline \text { C } & 10 & 175 \
\hline \text { D } & 16 & 230 \
\hline \text { E } & 18 & 210 \
\hline
\end{array}$$
A) 47.6 days
B) 60.2 days
C) 94.0 days
D) 2.5 days
E) 238.0 days

Quizplus · Accepted Answer

The correct answer is A because the average completion time is 47.6 days. The jobs are sequenced as follows: C (10 days), A (20 days), E (18 days), D (16 days), and B (30 days). The average completion time is (10 + 30 + 48 + 64 + 94) / 5 = 47.6 days.

The Jobs Listed Below Needed to Be Completed A) 476 Days B) 60

The Jobs Listed Below Needed to Be Completed A) 476 Days
B) 60