A Hatmaker, Fresh Off a Very Successful Showing at Lidzapalooza

question 31

Essay

A hatmaker, fresh off a very successful showing at Lidzapalooza is excited about the prospects of providing the finest chapeaus to meet the needs of his energized customer base in the coming year. He and his space designer have identified seven activities that are necessary to expand his small shop. For the sake of simplicity, and to avoid giving away any trade secrets, the activities have been identified by letters A-G. The activities, their time estimates, and the precedence requirements structure are listed in the table immediately below. Use this table to answer the following question.
$$\begin{array} { | c | c | c | } \hline \text { Activity } & \text { Predecessors } & \text { Time (weeks) } \\\hline \text { A } & - & 7 \\\hline \text { B } & \text { A } & 6 \\\hline \text { C } & \text { A } & 10 \\\hline \text { D } & \text { C } & 12 \\\hline \text { E } & \text { B, C } & 5 \\\hline \text { F } & \text { D, E } & 11 \\\hline \text { G } & \text { F } & 8 \\\hline\end{array}$$ Refer to the scenario above. What are the earliest and latest start and finish times for all of these activities?

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Definitions:

Active Avoidance

The action of learning to evade a disliked stimulus by performing specific behaviors to ensure the stimulus is not encountered.

Aversive Events

Unpleasant or harmful events or stimuli that an individual seeks to avoid or escape.

Avoidance Conditioning

A learning process through which a subject learns to avoid an unpleasant or harmful stimulus by engaging in particular behaviors.

Passive Avoidance

A learning process in which an individual learns to avoid a stimulus or situation after experiencing or anticipating an unpleasant outcome.