Exhibit 15 -Refer to Exhibit 15

question 43

Essay

Exhibit 15.3
The following questions are based on the information below.
A company needs to manage a project which consists of the following set of activities:
$\begin{array}{clc}& \text { Days } & \text { Predecessor } \\\text { Activity } & \text { Required } & \text { Activities }\\\hline\text { A } & 5 & - \\\text { B } & 3 & \text { A } \\\text { C } & 4 & \text { A } \\\text { D } & 7 & \text { B, C } \\\text { E } & 6 & \text { C } \\\text { F } & 5 & \text { E } \\\text { G } & 4 & \text { D, F }\end{array}$
-Refer to Exhibit 15.3.The following spreadsheet was developed to determine the earliest start times and latest start times for the project.Based on the data in the spreadsheet,which activities are on the critical path?
$\begin{array}{|c|c|c|c|c|c|c|c|c|c|} \hline& \text { A } & \text { B } & \text { C } & \text { D } & \text { E } & \text { F } & \text { G } & \text { H } & \text { I } \\\hline 1 & \text { Activity } & \text { Description } & \text { Predecessor } & \text { Time } & \text { EST } & \text { EFT } & \text { LST } & \text { LFT } & \text { Slack } \\\hline 2 & \text { A } & \text { Activity A } & & 5 & 0 & 5 & 0 & 5 & 0 \\\hline 3 & \text { B } & \text { Activity B } & \text { A } & 3 & 5 & 8 & 10 & 13 & 5 \\\hline 4 & \text { C } & \text { Activity C } & \text { A } & 4 & 5 & 9 & 5 & 9 & 0 \\\hline 5 & \text { D } & \text { Activity D } & \text { B,C } & 7 & 9 & 16 & 13 & 20 & 4 \\\hline 6 & \text { E } & \text { Activity E } & \text { C } & 6 & 9 & 15 & 9 & 15 & 0 \\\hline 7 & \text { F } & \text { Activity F } & \text { E } & 5 & 15 & 20 & 15 & 20 & 0 \\\hline 8 & \text { G } & \text { Activity G } & \text { D, F } & 4 & 20 & 24 & 20 & 24 & 0\\\hline\end{array}$

---

Definitions:

Cognitive Psychology

A branch of psychology that explores internal mental processes such as problem solving, memory, learning, and language.

Behaviorism

A theoretical orientation based on the premise that scientific psychology should study only observable behavior, emphasizing the effects of environment on behavior.

Logical Evaluation

The process of examining statements, hypotheses, or arguments critically and systematically using reasoning and logic to assess their validity or soundness.

Reason

The mental capacity of an individual to apply logic in analyzing and solving problems, and in making decisions or forming judgments.