You Are Responsible for Managing an Advertising and Promotion Project

question 67

Essay

You are responsible for managing an advertising and promotion project with the following activities (times are given in weeks). $\begin{array}{lcrrrrc}&&&\text { Likely }\\\text { Project}&\text { Immediate }&\text {Optimistic }&\text { Most }&\text {Pessimistic }&\text {Expected t}&\text {Activity }\\\text { Activity}&\text { Predecessor(s) }&\text {Time}&\text { Time }&\text { Time }&\text { Time }&\text { Variance }\\\hline\text { A } & \text { none } & 2 & 5 & 14 & 6 & 4 \\\text { B } & \text { none } & 8 & 11 & 14 & 11 & 1 \\\text { C } & \text { A } & 5 & 7 & 9 & 7 & 0.44 \\\text { D } & \text { A } & 6 & 9 & 12 & 9 & 1 \\\text { E } & \text { B. C D } & 1 & 3 & 5 & 3 & 0.44\end{array}$
a.What is the critical path and expected completion time for this project?
b.Which activity has the largest slack, and how large is that slack?
c.What is the probability that the project will be completed within 16 weeks?
d.If the expected time (not the most likely time) for activity B is changed to 18 weeks from 11 weeks, by how many weeks will the project's expected completion time increase?

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Definitions:

Hox Gene Clusters

Groups of genes found in many animals that regulate the development of anatomical structures along the body axis from head to tail.

Drosophila

A genus of small flies, commonly known as fruit flies, widely used in genetic research.

Unspecialized Cells

Cells that have not yet differentiated into specific cell types and thus retain the capability to become multiple kinds of cells, also known as stem cells.

Specific Fate

The pre-determined developmental trajectory of a cell or organism, often genetically controlled.