CAPM Practice Question: Project Management Fundamentals and Core Concepts
In a predictive project life cycle, which of the following best describes the relationship between scope, time, and cost?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Scope is fixed, time and cost are estimated.
In a predictive project life cycle, the scope is defined and fixed early in the project, while the time and cost are estimated based on that scope. Therefore, Option B correctly states that scope is fixed and time and cost are estimated. Option A is incorrect because not all three are fixed; time and cost are estimates. Option C is incorrect because it describes an adaptive life cycle where scope is variable, not predictive. Option D is incorrect because scope is not variable in predictive life cycles.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
All three are fixed.
Why it's wrong here
Time and cost are estimates, not fixed.
- ✓
Scope is fixed, time and cost are estimated.
Why this is correct
Predictive life cycles define scope upfront and estimate time and cost.
- ✗
Time and cost are fixed, scope is variable.
Why it's wrong here
That describes an adaptive life cycle.
- ✗
All three are variable.
Why it's wrong here
Scope is managed through change control, but it's not variable without approval.
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