辅导案例-INFO 4800
INFO 4800
Midterm Exam (Summer 2020)

Summer 2020 Page 1

Instructions
Place your name and student number at the top of the first page. Place the following statement under your name: “I have
worked on this exam independently and have not given nor received help from anyone.”

Format the answers as Times New Roman, 10 pt. Single Spaced, number all of the pages. Start each Chapter on a separate
page by entering inserting a page break. Please write out each case question as a sub-heading, underline it and answer the
question. Insert page number at the bottom right of each page. Leave a blank line between questions. Turn in exams prior to
Tuesday, June 30, 11:59 pm in both a Word and PDF file using the file format: lastname-midterm.docx (also the MPP or
GAN file).

Questions
E1: (a) Identify and discuss each of the project constraints. (b) Which one has traditionally been stable and what is the
result of that? (c) Which one is now being held stable and what are the benefits of that? (5 pts)

E2: (a) What are the nine (9) knowledge areas of project management? (b) Discuss each of the project management five (5)
process groups. (5 pts)
E3: (a) What are the five (5) methods for selecting projects? (b) Discuss each one in a sentence. (c) Which one is better? (5
pts)
E4: Draw a GANTT chart for the following activities. The project starts July 1, 2020. Be sure to show the % task
completed and resources on the chart. Complete this problem in Microsoft Project or GanttProject and return the file with
your Word and PDF files. (15 pts)

Activity A is evaluating the technology platform and will take 2 days, is 100% complete and has John working
100% on the task. Activity B is define user requirements and will take 5 days, is 90% complete and has John
(50%), Sue (50%) working on the task, with predecessor A. Activity C – design web page layouts will take 4
days, is 90% complete and has Kevin (75%), Marla (25%) working on the task with predecessor B. Activity D –
set up server will take 3 days, is 75% complete with John (50%), Cristy (50%) working on the task with
predecessor B. Activity E is estimate web traffic and will take 1 day, with predecessor B, is 75% complete with
Jim (25%), Debbie (75%) working on the task. Activity F is test web pages will take 4 days, with predecessors C
and D, is 0% complete with John (50%), Sue (50%) working on the task.

Act Task Est
Days
Start
Date
End
Date
Pred. % Resources Percentage of
Resources












INFO 4800
Midterm Exam (Summer 2020)

Summer 2020 Page 2

E5: Calculate the NPV, ROI, and Payback for the following problem (15 pts):

E6: (a) There are different ways to estimate project tasks. (b) Identify each of the project estimation techniques and give a
definition of each. (c) What happens when we constantly underestimate project tasks? (5 pts)

E7: (a) Calculate the expected duration for the following tasks. (b) Draw the CPM Chart using the critical path method. (c)
Identify all of the paths and select the critical path. (d) How much total slack do we have in the system? (15 pts)

Act

Predecessor
Optimistic
Estimate
Most Likely
Estimate
Pessimistic
Estimate
Expected
Duration
A 1 2 4
B A 3 5 8
C B 2 4 5
D B 2 3 6
E B 1 1 1
F C,D 2 4 6
G D,E 2 3 4
H F,G 1 2 5
I G 4 5 9
J HI .5 1 3


E8: (a) Project scheduling involves 7 steps. Identify each of the 7 steps. (b) Indicate which two steps are the most critical
and explain why. (10 pts)


E9: (a) What are the steps to enter work resource pay rates in Microsoft Project? (b) What are the steps to adjusting
working time in a resource calendar? (c) How does Microsoft Project calculate “work”?




Discount rate 7%
Year
1 2 3 4
Costs 300,000 40,000 40,000 40,000
Discount factor 0.93 0.87 0.82 0.76
Discounted costs 279,000 34,800 32,800 30,400
Benefits 0 120,000 120,000 120,000
Discount factor 0.93 0.87 0.82 0.76
Discounted benefits 0 104,400 98,400 91,200
Cumulative benefits 279,000 313,800 346,600 377,000
Cumulative costs 0 104,400 202,800 294,000
NPV
ROI
PB
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