Optimistic 3 days, Pessimistic 9 days, and mostly likely 6 days. What is the standard deviation of this estimation?

• A.Method 2:Assume, observations are 3,6,6,6,6,9 (as Optimistic is 3 days, pessimistic is 9 days and most likely is 6 days).Hence, mean = (3+6+6+6+6+9)/6 = 6;SD = Sqrt[Sum{(number - mean)^2}/(n - 1)], where n is sample size. = Sqrt[{(3-6)^2+(66)^2+(6-6)^2+(6-6)^2+(6-6)^2+(9-6)^2}/(6-1)] = Sqrt[{9+0+0+0+0+9}/5] = Sqrt[18/5] = Sqrt[3.6] = 1.9 (WRONG? I don't know why?)
• B.Method 1:PERT simplifies the calculation of Standard Deviation (SD) = [Pessimistic Estimate (TP) Optimistic Estimate (TO)] / 6= (9 - 3) / 6 = 1

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A project's core team was reassigned to a partially completed project. The new team underestimated the scope and consistently reported that their tasks were on track. The day before a major deliverable was due, the project manager learned that the product would actually be delivered 10 days behind schedule What could the project manager have done to avoid this situation?

• A.Created a more robust schedule that allowed for extra time to recover from underestimating the scope.
• B.Maintained standby resources a few days before the due date to fast track the schedule during the storming phase.
• C.Used the mitigation defined in the risk management plan to effectively integrate the new team.
• D.Empowered the team to secure additional resources if they needed to crash the schedule to meet the deadline

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A company has selected a cross-functional team to develop an innovative digital product to drive the digital transformation project for the business. What should the project manager do to ensure business value is delivered early?

• A.Create robust incentives to the team members to encourage speedy delivery.
• B.Create a detailed project plan and escalate delays to the functional managers.
• C.Break down the deliverables into sprints and deliver value incrementally.
• D.Fast track the project and monitor tasks closely to ensure timely delivery.

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Which of the following tools is used in process analysis to determine the underlying causes of defects?

• A.Root cause analysis
• B.Assumptions analysis
• C.Cost-benefit analysis
• D.Quality metrics

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The swiftest and most effective communications take place among people with

• A.advanced degrees
• B.common points of view
• C.dissimilar interests
• D.good encoding skills
• E.the ability to reduce perception barriers

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