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Reply: Can you help me figure out what the correct answer is and WHY?

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Topic History of : Can you help me figure out what the correct answer is and WHY?

Max. showing the last 6 posts - (Last post first)
6 years 6 months ago #11771

Aung Sint

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Questions are quite clear (unambiguous) which formula to use.

For me, during my preparation, the EAC questions are a bit confusing because you got 4 formulas to decide which one to use, and look for the key word or clue for the correct formula to apply.
6 years 6 months ago #11747

Anonymous

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Aung Sint wrote: Dear Monique,

Thanks for your reply. :)

When I took the exam, all formula questions are very straight forward - as long as you remember which formulas to apply.

As part of my test-taking strategy, I put all long, wordy questions and calculation questions to be the last to answer. Just see which strategy works for you.

Good luck with your preparation!


Hi Aung Sint/Everyone,

Could you please advise why you chose the formula for PERT/Weighted average over simple average? The question didn't mention the use of the PERT method and hence I am a bit concerned to understand if we should by default use the PERT formula over the simple average (triangular) formula on the exam if the method is not specifically mentioned?
6 years 7 months ago #11595

Aung Sint

Aung Sint's Avatar

Dear Monique,

Thanks for your reply. :)

When I took the exam, all formula questions are very straight forward - as long as you remember which formulas to apply.

As part of my test-taking strategy, I put all long, wordy questions and calculation questions to be the last to answer. Just see which strategy works for you.

Good luck with your preparation!
6 years 7 months ago #11592

Monique Maxmillion

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Aung, you are right!! This PMP question was taken from Career Academy PMP question bank..

But, do you think this type of question will ever be on the PMP... I finally see now why answer C!!

7.33+3(.667)=9.331 months
7.33-3(.667)= 5.329 months
6 years 7 months ago #11591

Andrew

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Where did the power of 2 come from?
I've only ever seen the SD formula as
P-O/6 www(dot)pmpmath(dot)com/sd(dot)php

Also the square of 1.33 is 1.7689 not 0.444.

Can you help me understand where your numbers came from?
6 years 7 months ago #11590

Aung Sint

Aung Sint's Avatar

Dear Charl,

Would like to point out that the sigma (standard deviation) formula that you are using is not correct: it should have been (P-O)/6. Secondly, by squaring the sigma (standard deviation), you are actually getting variance.

Other than that, I'd agree with your thought process. :)

Would like to know what other "experts" think of this one. Any suggestions are welcome!

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