Chapter 11 Project Management

91) Using the data in Table 11-4, 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

92) 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

93) 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

94) How long could Table 11-5'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

95) How long could Table 11-5's activity F be delayed without delaying the project?

A) 2

B) 3

C) 14

D) 16

E) None of the above

96) What is the minimum possible time required for completing the Table 11-5 project?

A) 14

B) 18

C) 17

D) 20

E) None of the above

97) Which activities are part of Table 11-6'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

98) What is the variance of Table 11-6's critical path?

A) 5.222

B) 4.364

C) 1.362

D) 5.144

E) 2.362

Figure 11-1

99) Given the network in Figure 11-1, 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

100) Given the network in Figure 11-1, 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

101) Given the network shown in Figure 11-1, 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

102) Given the network shown in Figure 11-1, 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

103) Given the network shown in Figure 11-1, 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

104) Given the network shown in Figure 11-1 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

105) PERT often assumes that time estimates follow which of the following probability distributions?

A) normal

B) exponential

C) binomial

D) Poisson

E) None of the above

106) PERT assumes that the total completion time of a project follows which of the following probability distributions?

A) normal

B) exponential

C) binomial

D) Poisson

E) None of the above

107) Activity D of a project has a budgeted cost of $45,000 and is 20% complete. What is the value of work completed?

A) 450

B) 4500

C) 900

D) 9000

E) 36,000

108) Activity B of a project has a budgeted cost of $50,000 and is 30% complete. The actual cost of the activity is $12,000. What is the activity difference?

A) -15,000

B) -3,000

C) 0

D) 3,000

E) 15,000

109) PERT/Cost allows a manager to do which of the following?

A) plan

B) schedule

C) monitor

D) control

E) All the above

110) The value of work completed for an activity is determined by which of the following?

A) budgeted cost - actual cost

B) actual cost divided by budgeted cost

C) percentage of work completed multiplied by actual activity cost

D) percentage of work completed multiplied by budgeted activity cost

E) activity difference divided by budgeted cost