I need help with part e e. Compute the percent idle time and percent efficiency for the assignment in part d. Note: if the calculated cycle time and the actualbottleneck station time are different, use the actual bottleneck time in your calculations. (Round your answers to 2 decimal places)Idle percentage%Efficiency% As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assemblyoperation to achieve an output of 230 units per 8-hour day. Task times and precedence relationships are as follows:DurationImmediateTask(minutes)Predecessora0.2b0.60.4bd0.7e1.6d.f1.8geDo each of the following:a. Determine the number of followers for each task.Number of tasks following task a4Number of tasks following task b3Number of tasks following task cNumber of tasks following task d2Number of tasks following task e1Number of tasks following task f1Number of tasks following task g

Answered: e. Compute the percent idle time and…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

I need help with part e

e. Compute the percent idle time and percent efficiency for the assignment in part d. Note: if the calculated cycle time and the actual
bottleneck station time are different, use the actual bottleneck time in your calculations. (Round your answers to 2 decimal places)
Idle percentage
%
Efficiency
%

As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly
operation to achieve an output of 230 units per 8-hour day. Task times and precedence relationships are as follows:
Duration
Immediate
Task
(minutes)
Predecessor
a
0.2
b
0.6
0.4
b
d
0.7
e
1.6
d.
f
1.8
g
e
Do each of the following:
a. Determine the number of followers for each task.
Number of tasks following task a
4
Number of tasks following task b
3
Number of tasks following task c
Number of tasks following task d
2
Number of tasks following task e
1
Number of tasks following task f
1
Number of tasks following task g

Expert Solution

Step 1

Idle time considers the percentage time period for which the supply line remains idle, combining all workstations. Efficiency percent refers to the percentage of time for which the supply line remains active, considering all activities. Both the values indicate the productivity of a firm in a manner that, the higher the value of efficiency percentage, the more productive is the firm; the lower the value of idle percentage, the higher is the productivity of the firm.