A Project Consists of Four Activities with Information as Shown

question 85

Multiple Choice

A project consists of four activities with information as shown in the table.What is the overall standard deviation of the project? $$\begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Predecessor } & \text { Length } & \text { Variance } \\\hline \text { A } & - & 10 & 4 \\\hline \text { B } & \text { A } & 12 & 3 \\\hline \text { D } & \text { B } & 16 & 5 \\\hline & \text { C } & 14 & 6 \\\hline\end{array}$$

• A) 24
• B) 18
• C) 8.41
• D) 4.24

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Definitions:

Suprachiasmatic Nucleus

A region in the brain's hypothalamus responsible for controlling circadian rhythms.

Pineal Gland

A small endocrine gland in the brain that produces the hormone melatonin, which regulates sleep patterns.

Hippocampus

A part of the brain located within the temporal lobe, crucial for memory formation and spatial navigation.

Controlled Process

Mental activities that require focused attention and are performed deliberately, often involving conscious effort.