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| Teaching Since: | May 2017 |
| Last Sign in: | 340 Weeks Ago, 1 Day Ago |
| Questions Answered: | 19234 |
| Tutorials Posted: | 19224 |
MBA (IT), PHD
Kaplan University
Apr-2009 - Mar-2014
Professor
University of Santo Tomas
Aug-2006 - Present
3.11
Dave Fletcher (see Problem 3.10) 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 TIME (WEEKS) ACTIVITY TIME (WEEKS) (letter is activity and number is time)
A6 Â Â Â Â Â E 4
B 7Â Â Â Â Â Â F 6
C 3 Â Â Â G 10
D 2Â Â Â Â H 7
3.17
Bill Fennema, president of Fennema Hospitality, has
developed the tasks, durations, and predecessor relationships in
the following table for building new motels. Draw the AON network
and answer the questions that follow.
Activity  predecessor optimistic      Most      pessimistic
                                                               likely      OPTIMISTIC
MOST
LIKELY PESSIMISTIC
A        —      4       8       10
BÂ Â Â Â Â Â A Â Â Â Â Â Â Â 2 Â Â Â Â Â Â 8 Â Â Â Â Â Â Â Â 24
C Â Â Â Â Â Â A Â Â Â Â Â Â Â 8 Â Â Â Â Â 12 Â Â Â Â Â Â 16
D Â Â Â Â Â Â A Â Â Â Â Â Â Â 4 Â Â Â Â Â Â 6 Â Â Â Â Â Â Â Â 10
E Â Â Â Â Â Â B Â Â Â Â Â Â Â Â 1 Â Â Â Â Â 2 Â Â Â Â Â Â Â Â 3
F Â Â Â Â Â Â E,C Â Â Â Â Â 6 Â Â Â Â Â Â 8 Â Â Â Â Â Â 20
GÂ Â Â Â E, C Â Â Â Â 2 Â Â Â Â Â 3Â Â Â Â Â Â Â Â 4
H Â Â Â Â Â F Â Â Â Â Â Â Â Â 2 Â Â Â Â Â 2Â Â Â Â Â Â Â Â 2
I Â Â Â Â Â Â FÂ Â Â Â Â Â Â Â Â 6 Â Â Â Â Â 6Â Â Â Â Â Â Â Â 6
J Â Â Â Â Â D,G,H Â Â Â 4 Â Â Â Â 6 Â Â Â Â Â Â Â 12
K Â Â Â Â Â I,J Â Â Â Â Â Â Â Â 2 Â Â Â Â Â 2 Â Â Â Â Â Â Â 3
c) Based on the calculation of estimated times, what is the critical
path?
d) What is the estimated time of the critical path?
e) What is the activity variance along the critical path?
f) What is the probability of completion of the project before
week 36?
to be completed in excel on seperate pages
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