Activity R on a CPM Network Has Predecessors M and N

question 110

Multiple Choice

Activity R on a CPM network has predecessors M and N, and has successor S. R has duration 5. N's late finish is 18, while M's is 20. S's late start is 14. Which of the following is definitely true?

• A) R is critical and has zero slack.
• B) R has no slack but is not critical.
• C) The set of given times cannot all be possible.
• D) N is a critical activity.
• E) S is a critical activity.

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Definitions:

Density Curve

A graphical representation of a probability distribution, where the total area under the curve equals 1.

Continuous Random Variable

A variable that can take on an infinite number of values in a continuum.

Exam

A formal test of a person's knowledge or proficiency in a subject or skill.

Red Shaded Region

Often refers to a portion of a graph or chart highlighted in red to indicate significance, warning, or another area of interest.