The network below represents a project being analyzed by the critical path method. Activity durations are A = 5, B = 2, C = 12, D = 3, E = 5, F = 1, G = 7, H = 2, I = 10, and J = 6.
(a) What task must be on the critical path, regardless of activity durations?
(b) What is the duration of path A-B-E-H-J?
(c) What is the critical path of this network?
(d) What is the length of the critical path?
(e) What is slack time at activity H?
(f) What is the Late Finish of activity H?
(g) If activity C was delayed by six time units, what would happen to the project duration?
Definitions:
Delta Waves
Slow brain waves typically associated with deep sleep and certain states of brain activity.
Paradoxical Sleep
Another term for REM (rapid eye movement) sleep, a sleep stage during which the most vivid dreams occur, characterized by paradoxical signals of brain activity.
Non-REM Sleep
A restful phase of sleep that progresses through several stages and is characterized by a decrease in physiological activity.
REM Sleep
REM sleep, or Rapid Eye Movement sleep, is a stage of sleep characterized by rapid eye movements, increased brain activity, vivid dreams, and temporary muscle paralysis.
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