GIAC GCPM Exam - Topic 3 Question 68 Discussion

Actual exam question for GIAC's GCPM exam

Question #: 68
Topic #: 3

You are the project manager of the NNH project. In this project you have created a contingency response that the cost performance index should be less than 0.93. The NHH project has a budget at completion of $945,000 and is 45 percent complete - though the project should be 49 percent complete. The project has spent $455,897 to reach the 45 percent complete milestone. What is the project's cost performance index?

A1.06

B-$30,647

C0.92

D0.93

Show Suggested Answer

Suggested Answer: D

by Nan at Apr 03, 2025, 08:19 AM

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Lonna

8 months ago

This doesn't add up, something feels off here.

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Allene

8 months ago

I think it's closer to 0.92.

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Vi

8 months ago

CPI is calculated as EV/AC.

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Rolf

8 months ago

The project is over budget, for sure.

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Diego

8 months ago

Wait, how can it be less than 0.93 if it's already at 0.92?

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Ming

9 months ago

I feel like I might confuse the CPI with the schedule performance index. I just need to focus on the actual costs and earned value for this one.

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Wynell

9 months ago

I practiced a similar question where we had to find the CPI, and I think the formula is CPI = EV / AC. So if I get the EV right, I should be able to find the CPI.

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Ronnie

9 months ago

I’m a bit unsure about the calculations, but I think if the project is 45% complete, the earned value would be around $425,250. Does that sound right?

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Mariko

9 months ago

I remember that the cost performance index (CPI) is calculated by dividing the earned value by the actual cost. I think I need to figure out the earned value first.

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Kris

9 months ago

Alright, I think I see how to do this. The key is to calculate the planned value based on the percent complete, and then use that along with the actual cost to find the cost performance index. I'm feeling pretty confident I can get the right answer.

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Michel

10 months ago

Hmm, I'm not sure I fully understand how to approach this. Maybe I should start by reviewing the definitions of cost performance index and planned value. Then I can try to set up the calculation step-by-step.

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Tenesha

10 months ago

I've got this! The cost performance index is calculated as the actual cost divided by the planned value. With the budget at completion and the current percent complete, I can figure out the planned value and then plug that into the formula.

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Delisa

10 months ago

This looks like a tricky one. I'm a bit confused about how to calculate the cost performance index from the information given. I'll need to review the formulas and double-check my work.

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Franchesca

10 months ago

Okay, let's think this through step-by-step. We have the budget at completion, the current percent complete, and the actual spend so far. I think we need to calculate the planned value and the actual cost to determine the cost performance index.

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Miriam

1 year ago

Hmm, let's see... If the project is 45% complete but should be 49%, that's gotta mean the CPI is less than 1. Aha, it's C!

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Jani

1 year ago

Hold up, I'm getting some serious deja vu here. Didn't we do a similar problem last week? Oh well, time to put on my project management hat and crunch those numbers.

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