Answered: Following Diagram explaination is Task…

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

Following Diagram explaination is

Task A, duration 2, no dependency
Task B, duration 4, no dependency
Task C, duration 7, no dependency
Task D, duration 5, depends on Task A
Task E, duration 3, depends on Task B and Task C
Task F, duration 8, depends on Task C
Task G, duration 10, depends on Task D and Task E
Task H, duration 4, depends on Task E
Task I, duration 7, depends on Task F
Task J, duration 12, depends on Task H and Task I

So question is

adjust
the durations using PERT calculation from the
three-point estimates below and recalculate slack.
Task A, Optimistic = 1, Normal = 2, Pessimistic = 5
Task B, Optimistic = 2, Normal = 4, Pessimistic = 8
Tack C, Optimistic = 3, Normal = 7, Pessimistic = 12
Task D, Optimistic = 3, Normal = 5, Pessimistic = 10
Task E, Optimistic = 1, Normal = 3, Pessimistic = 6
Task F, Optimistic = 3, Normal = 8, Pessimistic = 15
Task G, Optimistic = 7, Normal = 10, Pessimistic = 22
Task H, Optimistic = 3, Normal = 4, Pessimistic = 6
Task I, Optimistic = 5, Normal = 7, Pessimistic = 12
Task J, Optimistic = 10, Normal = 12, Pessimistic = 15