As a Scrum Master, you must be familiar with the Risk Assessment Techniques that are used to assess the likelihood and impact of risks on a project. Select the inappropriate Risk Assessment Technique pairing with its salient qualities.
Option C incorrectly describes the Probability Impact Grid. In SBOK, the Probability Impact Grid evaluates each individual risk by assigning values to both probability and impact. Those ratings are then combined---commonly by multiplication---to derive a risk-severity or PI score for prioritization.
The wording in C---calculating an overall impact from the values of multiple possible events or outcomes---is more closely associated with Probability Trees, where potential outcomes are represented by separate branches with associated probabilities and impacts.
Option A is correct. Expected Monetary Value equals the monetary impact of a risk multiplied by its probability of occurrence. Option B is correct because Pareto Analysis ranks risks according to magnitude, enabling attention to be focused on the most consequential risks. Option D also correctly describes Probability Trees, where each potential outcome is represented graphically through branching alternatives.
Thus the mismatched technique-description pairing is C.
Study Guide reference: Risk -> Risk Assessment Techniques -> Probability Trees, Pareto Analysis, Probability Impact Grid, Expected Monetary Value.
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