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Certified Associate in Project Management · PMI
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- The 100% Rule states that the WBS must include 100% of the work defined by the project scope, and it must capture all deliverables - internal, external, and interim - in terms of work to be completed, including project management. The sum of the work at the child level must equal 100% of the work at the parent level. No work should exist outside the WBS, and the WBS should not include any work outside the project scope. This rule ensures completeness and prevents scope creep or missed deliverables.