Answers to Judgment Quiz
1. The correct answer is C (63 days). You cannot add high estimates (40 days + 40 days = 80 days) together to get the duration of the project with two activities associated with 90% confidence. It cannot be 50 days (2*(10 days + 40 days)/2), which is the mean duration. The actual calculation can be performed using quantitative analysis tools based on Monte Carlo simulations. For more information please read Chapter 16, “What Is Project Risk? or PERT and Monte Carlo.”
2. The correct answer is B (Strategy B is 17% faster than strategy A). A similar example is discussed in Chapter 20, “Adaptive Project Management.” Splitting ...
Get Project Decisions now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
