CAPM (Certified Associate in Project Management) Practice Exam

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What is the formula for calculating communication channels?

  1. channels = n + (n-1)/2

  2. channels = n * (n-1)

  3. channels = (n(n+1))/2

  4. channels = (n(n-1))/2

The correct answer is: channels = (n(n-1))/2

The formula for calculating communication channels is (n(n-1))/2, where n represents the number of people in a group or team. Option A and B both involve adding or multiplying by a constant number, resulting in an incorrect number of channels. Option C involves adding the total number of people, rather than subtracting one before multiplying, leading to an overestimation of the number of channels. Therefore, option D is the correct formula for calculating communication channels.

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