PMI-RMP · Question #190
You are the project manager for the ABC organization. Your current project has 75 internal stakeholders and 245 external stakeholders. Many of the risks within your project will only affect the intern
The correct answer is B. 51,040. The formula for communication channels is: n(n−1)/2, where n is the total number of stakeholders. Total stakeholders = 75 + 245 = 320. Applying the formula: 320 × (320 − 1) / 2 = 320 × 319 / 2 = 102,080 / 2 = 51,040. The question mentions that some risks only affect internal stak
Question
You are the project manager for the ABC organization. Your current project has 75 internal stakeholders and 245 external stakeholders. Many of the risks within your project will only affect the internal stakeholders, but several of the identified risk events will affect the external stakeholders. Management would like to know the total number of communication channels in the project. How many communication channels exist in this project?
Options
- A245
- B51,040
- C102,080
- D320
How the community answered
(18 responses)- A6% (1)
- B78% (14)
- D17% (3)
Explanation
The formula for communication channels is: n(n−1)/2, where n is the total number of stakeholders. Total stakeholders = 75 + 245 = 320. Applying the formula: 320 × (320 − 1) / 2 = 320 × 319 / 2 = 102,080 / 2 = 51,040. The question mentions that some risks only affect internal stakeholders, but this is a distractor - the question asks for TOTAL communication channels across all stakeholders. Option D (320) is simply the total number of stakeholders, not channels. Option C (102,080) is the numerator before dividing by 2. Option A (245) is only the external stakeholder count.
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