25 May Question 13.41 CPM (a) assumes we do not know ahead of time what activities must
Question
13.41 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
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13.42 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
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13.43 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
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13.44 Given an activity’s optimistic, most likely, and pessimistic time estimates of 4, 6, and 14 days respectively, co
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