Which of the Following Statements Regarding PERT Analysis Is True

question 35

Multiple Choice

Which of the following statements regarding PERT analysis is true?

• A) Each activity has two estimates of its duration.
• B) Project variance is the sum of all activity variances.
• C) Project standard deviation is the sum of all critical activity standard deviations.
• D) Only critical activities contribute to the project variance.
• E) Only non-critical activities contribute to the project variance.

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Definitions:

Node

A point along a stem or branch at which leaves, branches, or flowers originate; in networks, a node is a junction or connection point.

Compound Leaves

Compound leaves have a leaf structure where a single leaf is divided into multiple leaflets, each connected to the whole leaf via a petiole.

Leaflets

Leaflets are the individual segments or units of a compound leaf, each resembling a small leaf but part of a larger structure.

Blade

(1) The thin, expanded part of a leaf. (2) The flat, leaflike structure of certain multicellular algae.