PMI-SP Exam - Topic 6 Question 97 Discussion

Actual exam question for PMI's PMI-SP exam

Question #: 97
Topic #: 6

Joe is the project manager of the HJN Project. Joe's project is a renovation of an office building. There must be 30 hours between the painting activity and the carpet activity in the project schedule to eliminate the risk of wet paint getting on the carpet. What is the best approach Joe can do to alleviate this issue?

AAdd lead time to the painting activity.

BChange the relationship of the carpet activity and the painting activity to finish-to-finish.

CCreate a dummy activity between the painting activity and the carpet activity for the duration
of the drying process.

DAdd lag time to the carpet activity.

Show Suggested Answer

Suggested Answer: A

The float for Activity I is three days. The early start for Activity I is Day 17 and the late start for

Activity I is Day 20. Therefore, the difference of

the early start and the late start reveals the float as three days. It is possible, and acceptable, to use

the difference of the early finish and the late finish to find the float, as the value will be the same

amount. Answer options B, D, and C are incorrect. These are not the valid calculation for the total

float.

by Wilda at Feb 07, 2025, 12:25 AM

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Melvin

5 months ago

Totally agree with adding lead time, it's the safest bet!

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Tasia

5 months ago

A dummy activity sounds like overkill, but it might help.

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Rodolfo

5 months ago

Wait, can you really just add lag time to the carpet activity?

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Leota

5 months ago

I think changing the relationship to finish-to-finish could work too.

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Devora

6 months ago

Adding lead time to the painting activity seems smart.

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Fernanda

6 months ago

Adding lag time to the carpet activity could work, but I feel like it might complicate the schedule more than necessary.

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Tori

6 months ago

Creating a dummy activity sounds like a clever solution to ensure the drying time is accounted for, but I’m not confident if that’s the standard approach.

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Devorah

6 months ago

I remember a similar question where we had to manage dependencies. Changing the relationship to finish-to-finish seems risky, though.

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Nadine

6 months ago

I think adding lead time to the painting activity might be the right choice, but I'm not entirely sure if that's the best way to handle it.

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Vicente

6 months ago

This is a tricky one. I'm leaning towards adding lag time to the carpet activity, but I'm not 100% sure that's the best approach. I'll have to review the options and make sure I understand the implications of each before deciding.

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Myra

6 months ago

Okay, I think I've got this. The key is to create a dummy activity between the painting and carpet to account for the drying time. That way, we can maintain the 30-hour requirement without impacting the overall schedule. Feels like a good strategy to me.

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Reta

6 months ago

Hmm, I'm a little unsure about this one. I know we need to have 30 hours between the painting and carpet activities, but I'm not sure which of these options is the best approach. I'll have to think it through carefully.

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Edmond

7 months ago

This seems like a straightforward scheduling question. I'd start by looking at the relationship between the painting and carpet activities and see if I can add some buffer time to ensure the paint dries properly.

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