a. What is the expected completion time of the project? b. What is the probability of completing the project in 21 days or less? c. What is the probability of completing the project in 17 days or less?
a. What is the expected completion time of the project? b. What is the probability of completing the project in 21 days or less? c. What is the probability of completing the project in 17 days or less?
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

Transcribed Image Text:21. Recently, you were assigned to manage a project to remodel the seminar room for your
company. You have constructed a network diagram depicting the various activities in the
project (Figure 7.130). In addition, you have asked your team to estimate the amount of
time that they would expect each of the activities to take. Their responses are shown in the
following table.
Activity
A
B
с
D
E
Optimistic
Start
5
4
5
2
4
Figure 7.13 Network Diagram for Problem 21
B
D
TIME ESTIMATES (DAYS)
Most Likely
8
8
6
4
7
Finish
Pessimistic
11
11
7
6
10
a. What is the expected completion time of the project?
b. What is the probability of completing the project in 21 days or less?
c. What is the probability of completing the project in 17 days or less?
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