Directions: Show all the calculations you performed in solving the problems. Your calculations should be organized and clearly labeled.
8)* An insurance claims work area has five claims waiting for processing as follows:
|
Job |
Processing Time |
Due Date (D) |
|
1 |
22 |
35 |
|
2 |
18 |
40 |
|
3 |
20 |
32 |
|
4 |
15 |
28 |
|
5 |
17 |
30 |
Compute the average flow time, tardiness, and lateness for the following sequences, and the sequences: STP sequences, EDD sequence 2-1-5-3-4. What sequence rule do you recommend and why?
9)* Mike Reynolds has four assignments due in class tomorrow, and his class time are as follows:
|
Class |
Time |
|
Marketing 304 |
8 a.m. |
|
OM 385 |
10 a.m. |
|
Finance 216 |
1 p.m. |
|
Psychology 200 |
3:30 p.m. |
Each class last one hour, and Mike has no other classes. It is now midnight, and Mike estimates that the finance, OM, marketing, and psychology assignments will take him six, three, four, and two hours, respectively. How should he schedule the work? Can be complete all of it?
10)* Eight jobs have arrived in the following order:
|
Job |
Processing Time |
Due Date |
|
1 |
7 |
21 |
|
2 |
3 |
7 |
|
3 |
5 |
8 |
|
4 |
2 |
5 |
|
5 |
6 |
17 |
|
6 |
9 |
16 |
|
7 |
14 |
38 |
|
8 |
4 |
12 |
Find and compare the average flowtime, lateness, and tardiness for the following sequencing rules:
- a)Process in the order they have arrived
- b)Shorted processing time
- c)Earliest due date
