أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
uncertainties are all calculated assuming a ±3sigma Confidence interval. The duration uncertainty-defined as pessimistic minus optimistic estimate-of the first activity is days; the second estimate has an uncertainty of days. Applying the PERT formula, what is the duration uncertainty of the entire path? A. No statement is possible from the information given. B. days C. days D. days
D. 30 days --------------------