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A Company Has Used PERT for a Project and Wants

question 30

Essay

A company has used PERT for a project and wants to minimize the probability of overrunning a contract deadline of 30 weeks. Three paths of concern in the PERT network have these mean durations and variances in weeks:
 Path tVt1272.322254.123291.89\begin{array} { c c c } \text { Path } & \mathrm { t } & \mathrm { V } _ { \mathrm { t } } \\\hline 1 & 27 & 2.32 \\2 & 25 & 4.12 \\3 & 29 & 1.89\end{array}
a. What is the Z-score for path 1?
b. What is the probability of path 2 overrunning the deadline?


Definitions:

Appetite-Suppressing

Referring to substances or actions that decrease hunger and reduce the desire to eat.

Neurotransmitter

Chemical messengers that are released by neurons to communicate with other neurons or cells, influencing functions throughout the body and brain.

Appetite

The natural desire to satisfy a bodily need, especially for food or drink.

Metabolic Rate

The rate at which the body uses energy to maintain basic physiological functions while at rest.

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