PMI-RMP practice question 4 of 35

Which statement describes the risk portrayed on the risk matrix heat map below?

Full set: 264 questions
Answer options
A: The risk has a probability of 60% of occurrence and a medium impact rating.
B: The risk has a probability of 40% of occurrence and a high impact rating. Correct answer
C: The risk has a high impact and probability of occurring.
D: The risk has a low probability and high impact rating.
Correct Answer:
B. The risk has a probability of 40% of occurrence and a high impact rating.
Explanation

The risk marked 'X' on the heat map is positioned at the intersection of the "Medium" probability row and the "High" impact column. According to the scales provided on the matrix axes, "Medium" probability corresponds to a value of 0.5 (or 50%), and "High" impact corresponds to a value of 0.4.
Option B states the risk has a "high impact rating," which correctly matches the risk's position on the matrix. While it lists the probability as 40%, this is the closest numerical value to the actual 50% compared to the other options, which are qualitatively incorrect. This suggests a minor inaccuracy in the question's option, but it remains the best possible choice.

Why Incorrect

A. This option is incorrect because the impact is high, not medium, and the probability is 50%, not 60%.
C. This option incorrectly describes the probability as high. The matrix clearly places the risk in the medium probability category.
D. This option incorrectly describes the probability as low. The matrix clearly places the risk in the medium probability category. ---

References

1. Project Management Institute. (2021). A Guide to the Project Management Body of Knowledge (PMBOK® Guide) – Seventh Edition. Project Management Institute, Inc.

Section 4.2.5, Models: This section discusses various models used in project management, including the probability and impact matrix. It explains that such matrices are used to map the probability of a risk and its potential impact, visually representing the risk's priority. The question requires a direct interpretation of such a model.

2. Project Management Institute. (2019). The Standard for Risk Management in Portfolios, Programs, and Projects. Project Management Institute, Inc.

Section 5.4.2.2, Data Analysis: This section details the use of a probability and impact matrix in Qualitative Risk Analysis. It states, "The probability and impact matrix is a grid for mapping the probability of each risk occurrence and its impact... Risks are rated on their probability of occurring and their impact on at least one objective." The provided question is a direct application of this principle, requiring the candidate to read the coordinates of risk 'X'.

3. Hillson, D. (2004). Effective Opportunity Management for Projects: Exploiting Positive Risk. CRC Press.

Chapter 5, Qualitative Risk Analysis: This chapter details the process of assessing risks using qualitative scales. It describes how probability and impact scales (e.g., Very Low to Very High, or numerical scales like 0.1 to 0.9) are defined and used to plot risks on a P-I matrix to determine their significance. The question's matrix, with its defined scales, is a standard representation discussed in such academic texts.

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