A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of 28 units. Assume the shop works a 56-minute hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations using the following rules: 1.7 Cycle time Work Station I || 0.9 III IV 0.5 0.7 d a. What is Cycle time? (Round your answer to 1 decimal place.) Answer is complete and correct. minutes Task 0.8 2.00 In order of most following tasks. Tiebreaker: greatest positional weight. (Use your rounded cycle time. Enter your tasks in the order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical answers to 1 decimal place.) bx a 0.8 d 0.9 e Answer is not complete. Time Remaining Task Time 0.9 h 0.9 X 1.7 0.7 0.8 X 1.1 0.3 0.0 X (0.8) ►

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of 28 units. Assume the shop works a 56-minute hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations using the following rules: (SEE PHOTO)

a. What is Cycle time? (Round your answer to 1 decimal place.)

In order of most following tasks. Tiebreaker: greatest positional weight. (Use your rounded cycle time. Enter your tasks in the order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical answers to 1 decimal place.)

What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1 decimal place.)

b. In order of greatest positional weight. Tiebreaker: most following tasks. (Use your rounded cycle time. Enter your tasks in the order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical answers to 1 decimal place.)

What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1 decimal place.)

 

I attempted to solve this but some of my answers are incorrect. (Correct answers have a green check mark in the photo) Help please?

A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of 28 units. Assume the shop
works a 56-minute hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations
using the following rules:
1.7
Cycle
time
Work
Station
II
0.9
|||
IV
0.5
C
a. What is Cycle time? (Round your answer to 1 decimal place.)
Answer is complete and correct.
0.7
Task
0.8
2.0
In order of most following tasks. Tiebreaker: greatest positional weight. (Use your rounded cycle time. Enter your tasks in the order
they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical
answers to 1 decimal place.)
b
a
0.8
d
0.9
e
minutes
Answer is not complete.
Time
Remaining
Task Time
0.9
h
0.9 *
1.7 X
0.7
0.8 X
1.1
0.3
0.0 X
(0.8)
Transcribed Image Text:A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of 28 units. Assume the shop works a 56-minute hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations using the following rules: 1.7 Cycle time Work Station II 0.9 ||| IV 0.5 C a. What is Cycle time? (Round your answer to 1 decimal place.) Answer is complete and correct. 0.7 Task 0.8 2.0 In order of most following tasks. Tiebreaker: greatest positional weight. (Use your rounded cycle time. Enter your tasks in the order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical answers to 1 decimal place.) b a 0.8 d 0.9 e minutes Answer is not complete. Time Remaining Task Time 0.9 h 0.9 * 1.7 X 0.7 0.8 X 1.1 0.3 0.0 X (0.8)
What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1
decimal place.)
Answer is complete but not entirely correct.
Efficiency
2.1 %
b. In order of greatest positional weight. Tiebreaker: most following tasks. (Use your rounded cycle time. Enter your tasks in the
order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your
numerical answers to 1 decimal place.)
Answer is not complete.
Work
Station
||
|||
IV
Task
a
b
Task Time
1.7
0.9
0.5
0.8
Time
Remaining
0.3
(0.9)
(0.5)
(0.8)
What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1 decimal
place.)
Answer is complete but not entirely correct.
Efficiency
3.0 x %
Transcribed Image Text:What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1 decimal place.) Answer is complete but not entirely correct. Efficiency 2.1 % b. In order of greatest positional weight. Tiebreaker: most following tasks. (Use your rounded cycle time. Enter your tasks in the order they were assigned at each station as a letter between a and h in lowercase with no other text or symbols. Round your numerical answers to 1 decimal place.) Answer is not complete. Work Station || ||| IV Task a b Task Time 1.7 0.9 0.5 0.8 Time Remaining 0.3 (0.9) (0.5) (0.8) What is Efficiency? (Use your rounded cycle time in the denominator of your efficiency calculation. Round your answer to 1 decimal place.) Answer is complete but not entirely correct. Efficiency 3.0 x %
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