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How many hours will it take to assemble the Ferris wheel? You have run away and joined the carnival as a project manager and are in charge of constructing the Ferris wheel in each town the carnival visits. However, this is something you have never done before and you are getting different opinions from others on how long it takes. Joe is new and has given you what you believe to be an optimistic estimate of 3 hours, Bill says it will take 10 hours, which seems too long to you and quite pessimistic. Lastly, Margie, who is the most experienced at this task is telling you it will take 8 hours. You are not sure who to believe, so you decide to do a PERT estimation.
A. 7 hours
B. 21 hours
C. 8 hours
D. 5 hours

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Full Length PMP Simulation Test 2
Asked by Benjamin, Last updated: Mar 31, 2020

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4 Answers

sharmaprince

Sharmaprince

Answered Dec 08, 2019

In this question O = 3 , Most Likely = 8 and P = 10 , So, C= 3+84+10/6 Which will be 7.5 (which is not given) and system is showing 5 as correct.

 

anetlemos

Anetlemos

Answered Mar 02, 2017

Correct response it is C.
(3+48+10)/6 ~=8
(optimistic + (most likely 4) + pessimistic)/6

 1

sharmaprince

Sharmaprince

Replied on Dec 08, 2019

Dear 8* 4 = 32 not 48

John Adney

John Adney

Answered Feb 14, 2017

7.5 hours (which for some reason is not provided as an option??)
 

John Smith

John Smith

Answered Sep 09, 2016

5 hours
A - The PERT formula is Estimate= (Optimistic + (Most Likely 4) + Pessimistic)/6
 

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