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1) PERT and CPM are quantitative analysis tools designed to schedule and control large projects.
Answer: TRUE
Di#: 1
Topic: INTRODUCTION
2) PERT is a deterministic analysis tool allowing for precise times of activities within a project.
Answer: FALSE
Di#: 2
Topic: INTRODUCTION
3) PERT had its beginnings in a military department of the United States.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
4) CPM is a probabilistic analysis of managing a project.
Answer: FALSE
Di#: 2
Topic: INTRODUCTION
5) The first step in planning and scheduling a project is to develop the work breakdown structure.
Answer: TRUE
Di#: 2
Topic: INTRODUCTION
6) A PERT/CPM network is a graphical display of a project that connects activities.
Answer: TRUE
Di#: 1
Topic: PERT/CPM
7) The optimistic time is the greatest amount of time that could be required to complete an activity.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
8) PERT is a network technique similar to CPM, but PERT allows for project crashing, whereas CPM does not.
Answer: FALSE
Di#: 2
Topic: PERT/CPM and PROJECT CRASHING
9) In PERT, the most likely completion time of an activity is used to represent that activity's time within a
project.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
10) The expected completion time and variance of an activity is approximated by the normal distribution in a
PERT analysis.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
11) PERT was developed for a project for which activity or task times were uncertain.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
12) CPM was developed for use in managing projects about which we have good information about activity or
task completion times.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
13) With PERT, we are able to calculate the probability of finishing the project within a specified time.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
14) With CPM, we are able to calculate the probability of finishing the project within a specified time.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
15) Both PERT and CPM networks show activities and activity sequences.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
16) The identification of the project activities and their time, cost, resource requirements, predecessors, and
person(s) responsible is called PERT planning.
Answer: FALSE
Di#: 2
Topic: INTRODUCTION
17) Before drawing a PERT or CPM network, we must identify all activities and their predecessors.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
18) The three time estimates employed in PERT are optimistic time, average time, and pessimistic time.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
19) Given the variability of the activity completion times, the original critical path we identify in our PERT
analysis may not always be the actual critical path as the project takes place.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
20) In PERT, the earliest start time for an activity is equal to the latest of the earliest finish times of all of its
immediate predecessors.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
21) PERT stands for Probabilistic Evaluation and Review Technique.
Answer: FALSE
Di#: 3
Topic: INTRODUCTION
22) One of the most significant benefits of PERT is that it forces the project manager to sit down and plan the
project in great detail—and thus come to an understanding of relationships between the activities.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
23) Slack is the time an activity can be delayed without impacting the completion time of the project.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
24) The variance of the project completion time is equal to the sum of the variances of all the activities.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
25) In PERT, we assume that the project completion time can be modeled by the normal distribution.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
26) One PERT/COST assumption is that money is spent at a constant rate over the time taken to complete an
activity.
Answer: TRUE
Di#: 2
Topic: PERT/COST
27) CPM stands for Comprehensive Project Method.
Answer: FALSE
Di#: 3
Topic: INTRODUCTION
28) The longest time path through a PERT/CPM network is called the critical path.
Answer: TRUE
Di#: 2
Topic: INTRODUCTION
29) In CPM, crashing an activity that is not on the critical path increases the cost of the project.
Answer: TRUE
Di#: 2
Topic: PROJECT CRASHING
30) Through the use of PERT/CPM, astute managers can derive flexibility by identifying noncritical activities and
replanning, rescheduling, and reallocating resources such as personnel and finances.
Answer: TRUE
Di#: 2
Topic: INTRODUCTION
31) In PERT, the variance in completion time is equal to the variance of the most time consuming activity on the
critical path.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
32) Given the assumptions in PERT, the probability that a project will be completed in less time than required by
the activities on the critical path is approximately 50%.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
33) Gantt charts and PERT diagrams provide the same information, just in different formats.
Answer: FALSE
Di#: 2
Topic: PERT/CPM
34) Gantt charts contain information about the time taken by each activity, but not about the sequential
dependencies of the activities.
Answer: TRUE
Di#: 2
Topic: PERT/CPM
35) The critical path of a network is the
A) shortest time path through the network.
B) path with the fewest activities.
C) path with the most activities.
D) longest time path through the network.
E) None of the above
Answer: D
Di#: 2
Topic: INTRODUCTION
36) In a PERT network, the earliest (activity) start time is the
A) earliest time that an activity can be finished without delaying the entire project.
B) latest time that an activity can be started without delaying the entire project.
C) earliest time that an activity can start without violation of precedence requirements.
D) latest time that an activity can be finished without delaying the entire project.
E) None of the above
Answer: C
Di#: 1
Topic: PERT/CPM
37) Slack time in a network is the
A) amount of time that an activity would take assuming very unfavorable conditions.
B) shortest amount of time that could be required to complete the activity.
C) amount of time that you would expect it would take to complete the activity.
D) difference between the expected completion time of the project using pessimistic times and the
expected completion time of the project using optimistic times.
E) amount of time that an activity can be delayed without delaying the entire project.
Answer: E
Di#: 2
Topic: PERT/CPM
38) The first step in planning and scheduling a project is to develop the .
A) employee scheduling plan
B) PERT/CPM network diagram
C) critical path
D) work breakdown structure
E) variance calculations for each
activity
Answer: D
Di#: 2
Topic: INTRODUCTION
39) Which of the following is not a concept associated with CPM?
A) normal time
B) probability
C) normal cost
D) crash cost
E) deterministic
network
Answer: B
Di#: 2
Topic: INTRODUCTION
40) PERT
A) assumes that we do not know ahead of time what activities must be completed.
B) assumes that activity time estimates follow the normal probability distribution.
C) is a network technique that uses three time estimates for each activity in a project.
D) is a deterministic network technique that allows for project crashing.
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
5
41) CPM
A) assumes we do not know ahead of time what activities must be completed.
B) assumes that activity time estimates follow the normal probability distribution.
C) is a deterministic network technique that allows for project crashing.
D) is a network technique that allows three time estimates for each activity in a project.
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
42) Managers use the network analysis of PERT and CPM to help them
A) derive flexibility by identifying noncritical activities.
B) replan, reschedule, and reallocate resources such as manpower and finances.
C) plan, schedule, monitor, and control large and complex projects.
D) All of the above
E) None of the
above
Answer: D
Di#: 2
Topic: INTRODUCTION
43) The expected time in PERT is
A) a weighted average of the most optimistic time, most pessimistic time, and four times the most likely time.
B) the modal time of a beta distribution.
C) a simple average of the most optimistic, most likely, and most pessimistic times.
D) the square root of the sum of the variances of the activities on the critical path.
E) None of the
above
Answer: A
Di#: 2
Topic: PERT/CPM
44) Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 6, and 14 days respectively,
compute the PERT expected activity time for this activity.
A) 8
B) 6
C) 7
D) 9
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
6
45) Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 5, and 14 days respectively,
compute the PERT expected activity time for this activity.
A) 6
B) 7
C) 9
D) 5
E) None of the
above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
46) Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 14, and 18 days respectively,
compute the PERT expected activity time for this activity.
A) 14
B) 12
C) 11
D) 13
E) None of the
above
Answer: D
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
47) Given an activity's optimistic, most likely, and pessimistic time estimates of 2, 10, and 20 days respectively,
compute the PERT variance for this activity.
A) 3
B) 6
C) 9
D) 18
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
48) Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 12, and 18 days respectively,
compute the PERT variance for this activity.
A) 2.33
B) 5.44
C) 8.00
D) 64.00
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
7
days.
49) Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 5, and 15 days, respectively,
compute the PERT standard deviation for this activity.
A) 2
B) 4
C) 5
D) 15
E) None of the
above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
50) Given the following small project, the critical path is Immediate
Time
Activity
Predecessor
(days)
A - 10
B - 4
C A, B 6
A) 10
B) 14
C) 16
D) 20
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
51) Given the following small project, the critical path is Immediate
Time
Activity
Predecessor
(days)
A - 8
B A 4
C - 10
days.
A) 4
B) 10
C) 12
D) 22
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
8
Table 12-1
The following represents a project with know activity times. All times are in weeks.
Activity
Immediate
Predecessor Time
A - 4
B - 3
C A 2
D B 7
E C, D 4
F B 5
52) Using the data in Table 12-1, what is the minimum possible time required for completing the project?
A) 8
B) 14
C) 25
D) 10
E) None of the
above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
53) Using the data in Table 12-1, what is the latest possible time that C may be started without delaying
completion of the project?
A) 0
B) 4
C) 8
D) 10
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
54) According to Table 12-1, compute the slack time for activity D.
A) 0
B) 5
C) 3
D) 6
E) None of the above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
9
55) Using the data in Table 12-1, compute the latest finish time for activity E.
A) 4
B) 10
C) 14
D) 25
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
Table 12-2
The following represents a project with four activities. All times are in weeks.
Immediate
Predecessor
Optimistic
Time
Most
Likely
Time
Pessimistic
Time
Activity
A - 2 8 14
B - 8 8 8
C A 6 9 18
D B 5 11 17
56) According to the data in Table 12-2, what is the critical path?
A) A-B
B) A-C
C) B-D
D) A-B-C-D
E) None of the
above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
57) According to the data in Table 12-2, what is the minimum expected completion time for the project?
A) 18
B) 19
C) 37
D) 11
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
10
58) According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate
to use to determine the probability of finishing by a particular time. If you wished to find the probability of
finishing the project in 20 weeks or fewer, it would be necessary to find the variance and then the standard
deviation to be used with the normal distribution. What variance would be used?
A) 2
B) 4
C) 8
D) 12
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
59) According to Table 12-2, there are four activities in the project. Assume the normal distribution is appropriate
to use to determine the probability of finishing by a particular time. What is the probability that the project is
finished in 16 weeks or fewer? (Round to two decimals.)
A) 0.07
B) 0.93
C) 0.43
D) 0.77
E) None of the above
Answer: A
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
60) Consider a project that has an expected completion time of 60 weeks and a standard deviation of five weeks.
What is the probability that the project is finished in 70 weeks or fewer? (Round to two decimals.)
A) 0.98
B) 0.48
C) 0.50
D) 0.02
E) 0.63
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
11
61) Your company is considering submitting a bid on a major project. You determine that the expected
completion time is 100 weeks and the standard deviation is 10 weeks. It is assumed that the normal distribution
applies. You wish to set the due date for the project such that there is an 85 percent chance that the project will be
finished by this time. What due date should be set?
A) 108.0
B) 110.4
C) 89.6
D) 85.0
E) 100
Answer: B
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
Table 12-3
Immediate
Most
Activity
Predecessor Optimistic
Likely Pessimistic
Standard
Deviation Variance
A -- 4 5 6 0.333 0.111
B -- 12 16 18 1.000 1.000
C A 2 8 14 2.000 4.000
D A 5 5 5 0.000 0.000
E B, C 6 7 8 0.333 0.111
62) According to Table 12-3, there are five activities in a PERT project. Which activities are on the critical path?
A) A-B-C-D-E
B) A-C-E
C) B-D
D) A-B-C-D
E) B-E
Answer: E
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
63) According to Table 12-3, there are five activities in a PERT project. What is the variance of the critical path?
A) 5.222
B) 4.222
C) 1.222
D) 0
E) 1.111
Answer: E
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
12
64) According to Table 12-3, there are five activities in a PERT project. If the normal distribution were used to find
the probability of finishing this project in 24 weeks or fewer, what mean and variance would be used?
A) 20 and 4.222
B) 30 and 5.222
C) 20 and 5.222
D) 30 and 4.222
E) 22.667 and 1.111
Answer: E
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
65) The critical path of a network is the
A) path with the least variance.
B) path with zero slack.
C) path with the most activities.
D) path with the largest variance.
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
66) In a PERT network, the latest (activity) start time is the
A) earliest time that an activity can be finished without delaying the entire project.
B) latest time that an activity can be started without delaying the entire project.
C) earliest time that an activity can start without violation of precedence requirements.
D) latest time that an activity can be finished without delaying the entire project.
E) None of the above
Answer: B
Di#: 1
Topic: PERT/CPM
67) The work breakdown structure involves identifying the A) time
B) cost
C) resource requirements
D) predecessors
E) All of the above
Answer: E
Di#: 2
Topic: INTRODUCTION
for each activity.
13
68) PERT stands for .
A) probabilistic evaluation and review technique
B) program evaluation and review technique
C) probability of expected run times
D) program of expected run times
E) project evaluation and review technique
Answer: B
Di#: 2
Topic: INTRODUCTION
69) CPM stands for .
A) critical path management
B) critical project management
C) critical project method
D) critical path method
E) centralized project management
Answer: D
Di#: 2
Topic: INTRODUCTION
70) Which of the following questions can be answered by PERT?
A) When will the entire project be completed?
B) What is the probability that the project will be completed by a specific date?
C) What are the critical activities?
D) What are the noncritical activities?
E) All of the above
Answer: E
Di#: 1
Topic: PERT/CPM
71) In PERT, we assume that
A) the times to complete individual activities are known with certainty.
B) all activities are carried out by sta# from our own organization.
C) the total cost of a project is independent of the time to complete the project.
D) the total time to complete all activities on the critical path is described by a normal distribution.
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
72) The two common techniques for drawing PERT networks are .
A) NOA and NRA
B) AON and AOA
C) GANTT and NOA
D) ONA and OAO
E) CAN and CAA
Answer: B
Di#: 3
Topic: PERT/CPM
14
73) In PERT analysis, the probability of the optimistic time occurring should be on the order of .
A) 1/2
B) 1/3
C) 1/6
D) 1/10
E) 1/100
Answer: E
Di#: 2
Topic: PERT/CPM
74) The expected time in PERT is
A) greater than the most likely time.
B) equal to the most likely time.
C) less than the most likely time.
D) any of the above
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
75) Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 7, and 11 days respectively,
compute the expected time for this activity.
A) 5
B) 6
C) 7
D) 12
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
76) Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 5, and 13 days respectively,
compute the expected time for this activity.
A) 3
B) 4
C) 5
D) 6
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
15
77) Given an activity's optimistic, most likely, and pessimistic time estimates of 1, 9, and 23 days respectively,
compute the PERT expected activity time for this activity.
A) 10
B) 12
C) 9
D) 11
E) None of the above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
78) Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 6, and 9 days respectively,
compute the PERT variance for this activity.
A) 3
B) 1
C) 9
D) 6
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
16
79) The project described by:
Immediate
Predecessor
Time
(days)
Activity
A -- 10
B A 4
C A 6
D B 7
E C 5
is best represented by which of the following networks?
A)
B)
C)
D)
E) None of the above
Answer: A
Di#: 1
Topic: PERT/CPM
AACSB: Analytic Skills
17
80) The project described by:
Immediate
Predecessor
Time
(days)
Activity
A -- 10
B A 4
C A 6
D B, C 7
E C 5
has a critical path of length of .
A) 21 days
B) 14 days
C) 23 days
D) 32 days
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
81) The project described by:
Immediate
Time
Activity
Predecessor
(days)
A -- 6
B A 2
C -- 8
D B, C 5
E D 7
has a critical path of length of .
A) 15 days
B) 20 days
C) 17 days
D) 18 days
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
18
Table 12-4
The following represents a project with known activity times. All times are in weeks.
Immediate
Predecessor Time
Activity
A -- 4
B -- 3
C A 2
D B 7
E C, D 4
F B 5
G E, F 4
82) Using the data in Table 12-4, what is the minimum possible time required for completing the project?
A) 8
B) 12
C) 18
D) 10
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
83) Using the data in Table 12-4, what is the latest possible time that C may be started without delaying
completion of the project?
A) 0
B) 4
C) 8
D) 10
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
84) Using the data in Table 12-4, compute the slack time for activity D.
A) 0
B) 5
C) 3
D) 6
E) None of the above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
19
85) Using the data in Table 12-4, compute the latest finish time for activity E.
A) 4
B) 10
C) 14
D) 25
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
86) Using the data in Table 12-4, determine the latest time activity A can be started without delaying the project
completion.
A) 4
B) 3
C) 8
D) 6
E) None of the above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
87) Using the data in Table 12-4, determine the latest time activity A can be finished and not delay any activity?
A) 4
B) 0
C) 8
D) 5
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
88) Consider a project that has an expected completion time of 50 weeks and a standard deviation of 9 weeks.
What is the probability that the project is finished in 57 weeks or fewer? (Round to two decimals.)
A) 0.68
B) 0.78
C) 0.22
D) 0.32
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
20
89) Your company is considering submitting a bid on a major project. You determine that the expected
completion time is 150 weeks and the standard deviation is 10 weeks. It is assumed that the normal distribution
applies. You wish to set the due date for the project such that there is a 95 percent chance that the project will be
finished by this time. What due date should be set?
A) 108.0
B) 160.4
C) 166.5
D) 135.0
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
Table 12-5
Immediate
Predecessor Time ES EF LS LF
Activity
A -- 4 0 4 6 10
B -- 5 0 5 0 5
C A 3 4 7 10 13
D B 8 5 13 5 13
E B 2 5 7 16 18
F C, D 3 13 16 15 18
G C, D 7 13 20 13 20
H E, F 2 16 18 18 20
90) How long could Table 12-5's activity E be delayed without delaying the completion of the project?
A) 7
B) 16
C) 11
D) 18
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
91) How long could Table 12-5's activity F be delayed without delaying the project?
A) 2
B) 3
C) 14
D) 16
E) None of the above
Answer: A
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
21
92) What is the minimum possible time required for completing the Table 12 -5 project?
A) 14
B) 18
C) 17
D) 20
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
Table 12-6
Immediate
Most
Activity
Predecessor Optimistic
Likely Pessimistic σ σ2
A -- 2 3 4 0.333 0.111
B -- 2 5 8 1.000 1.000
C A 1 2 9 1.330 1.780
D A 5 5 5 0.000 0.000
E B, C 6 7 8 0.333 0.111
F B 14 14 14 0.000 0.000
G D, E 1 5 9 1.333 1.780
H G, F 1 4 8 1.167 1.362
93) Which activities are part of Table 12 -6's critical path?
A) A-B-E-G-H
B) A-C-E-G-H
C) A-D-G-H
D) B-F-H
E) None of the above
Answer: D
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
94) What is the variance of Table 12 -6's critical path?
A) 5.222
B) 4.364
C) 1.362
D) 5.144
E) 2.362
Answer: E
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
22
Figure 12-1
95) Given the network in Figure 12-1, the critical path is
A) A-C-F-H.
B) B-D-E-F-H.
C) A-C-E-G-H.
D) B-D-G-E-F-H.
E) None of the above
Answer: B
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
96) Given the network in Figure 12-1, the time to complete those activities on the critical path is expected to be
.
A) 20
B) 22
C) 25
D) 26
E) None of the above
Answer: C
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
97) Given the network shown in Figure 12-1, assume that completion of A is delayed by two days. What other
activities are impacted?
A) B
B) D
C) E
D) C
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
AACSB: Analytic Skills
98) Given the network shown in Figure 12-1, assume that completion of B is delayed by two days. What happens
to the project?
A) The critical path is extended by two days.
B) The start of activity F is delayed by two days.
C) The start of activity E is delayed by two days.
D) All of the above
E) None of the above
Answer: D
Di#: 2
Topic: PERT/CPM
99) Given the network shown in Figure 12-1, assume that the completion of activity C is delayed by four
days. What changes will take place?
A) The critical path will change to: A-C-B-D-E-F-H.
B) Activity F will be delayed by four days.
C) Activity E will be delayed by four days.
D) Activity G will be delayed by four days.
E) None of the above
Answer: E
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
100) Given the network shown in Figure 12-1 and the following information, what is the variance of the critical
path?
Activity Expected time Variance
A 3 2
B 5 3
C 6 3
D 4 1
E 5 1
F 4 2
G 6 2
H 7 2
A) 16
B) 7
C) 9
D) 8
E) None of the above
Answer: C
Di#: 3
Topic: PERT/CPM
AACSB: Analytic Skills
