Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS,LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times:ActivityABCDTime(weeks)7622Dave's earliest start (ES) and earliest finish (EF) are:TimeImmediatePredecessor(s) Activity (weeks)E46106AAActivityABES00F G HEF7ImmediatePredecessor(s)BBC, ED, F

Answered: D 2 Dave's earliest start (ES) 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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Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS,
LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times:
Activity
A
B
C
D
Time
(weeks)
7
6
2
2
Dave's earliest start (ES) and earliest finish (EF) are:
Time
Immediate
Predecessor(s) Activity (weeks)
E
4
6
10
6
A
A
Activity
A
B
ES
0
0
F G H
EF
7
Immediate
Predecessor(s)
B
B
C, E
D, F

Expert Solution

Step 1 Introduction:-

A network diagram related to the project shows the sequence of the task that is performed to complete a project. It mainly shows the relation of each task with the time duration taken by that activity with respect to the completion of the project. Each task is shown with the boxes connected with each other with arrows. The network diagram can be of two types: - CPM and PERT.