Activity R on a CPM Network Has Predecessors M and N,and

question 103

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 times cannot all be possible.
• D)N is a critical activity.
• E)S is a critical activity.

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Definitions:

Random Assignment

A method used in experiments to place participants into different groups using randomization, which helps ensure that each group is similar at the start of the experiment.

Experimental Design

The blueprint for conducting a scientific study to ensure that the data collected allows for a valid conclusion.

Equalizes

Makes things equal or equivalent in value, quantity, significance, or effect.

Correlational Studies

Research methods that examine the relationship between two or more variables to determine if a change in one is associated with a change in the other(s).