All Five Members of a Project Team Add 20% to Their

question 42

Multiple Choice

All five members of a project team add 20% to their individual serial activities as a safety margin and submit their time estimates to the project manager.The manager adds the activity length estimates together and adds 20% for his personal safety margin.Then,anticipating a cut by top management,he adds another 20% to his final project estimate.Much to his surprise,top management leaves his project alone.How much of a cushion is now built into the project?

• A)73%
• B)60%
• C)140%
• D)44%

---

Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, especially of the mean.

Sample Mean

The average value calculated from a sample of observations from a larger population.

Population Standard Deviation

A measure of the dispersion or spread of a set of data points in a population, representing the square root of the variance.

Sampling Distribution

The profile of probability associated with a certain statistic, influenced by a sample chosen randomly.