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To find the GPA that qualifies for the top 2%, we use the inverse of the standard normal distribution (Z-table). The Z-score corresponding to the top 2% is approximately 2.05. Given the mean GPA is 2.8 with a standard deviation of 0.5, we calculate the threshold GPA as follows:

GPA=μ+Z×σ=2.8+2.05×0.5=2.8+1.025=3.62\text{GPA} = \mu + Z \times \sigma = 2.8 + 2.05 \times 0.5 = 2.8 + 1.025 = 3.62GPA=μ+Z×σ=2.8+2.05×0.5=2.8+1.025=3.62

Thus, a GPA of3.62is needed to qualify for the scholarship.

The four steps to writing effectively are:

Plan: Outline your ideas and structure before starting to write.

Write: Draft your content based on the plan.

Cool: Allow some time between writing and revising to gain fresh perspective.

Revise: Review and edit your work to improve clarity, coherence, and accuracy.

Option Aoutlines basic elements of a document rather than steps in the writing process.

Option Bis too simplistic and misses key stages of planning and revising.

Option Clists sections of a formal document but not the writing process itself.

Therefore,D. Plan, write, cool, reviseis the correct answer as it accurately represents the stages of the writing process.

Alife-cycle cost analysisof a power plant typically includes all costs associated with the plant over its entire lifespan. This includesconstruction cost, operating cost, and maintenance cost. These costsprovide a comprehensive view of the total financial commitment required to build, operate, and maintain the power plant, making them crucial factors in evaluating the plant's overall economic viability. The other options listed (Factory expenses, distribution expenses, mark-up; Capacity factor, end product units, physical dimensions; Resources, work activities, final cost objects) are related to different aspects of cost analysis but are not comprehensive enough for a life-cycle cost analysis. Therefore, the correct answer isA. Construction cost, operating cost, maintenance cost.

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Productivity lossin projects, particularly in construction, can be measured using various methods. TheEarned Value Management (EVM)system includes theEarned Formulato compare the work performed against the work planned.

Key Points:

Earned Formula:

This formula is used in EVM to calculate key performance indicators like the Cost Performance Index (CPI) and Schedule Performance Index (SPI), which help in understanding productivity loss.

By comparing earned value (the work actually performed) against planned value, project managers can assess whether the project is behind or ahead in terms of schedule and budget, indirectly measuring productivity loss.

Other Options:

Central Limit Theorem:This is a statistical concept, not directly used for measuring productivity loss.

Value Engineering:A process that seeks to improve the value of goods or products by using an examination of function, not directly related to measuring productivity loss.

Conclusion:The correct answer isC. Earned formulabecause it is directly linked to measuring productivity loss in project management through the EVM system.