Question: 1. PERT/CPM 1.1 Uncertain Activity Times a + 4m + b Expect time (6) 6 2 o(variance) a 6 where a (optimistic time) = the

1. PERT/CPM 1.1 Uncertain Activity Times a + 4m + b Expect time (6) 6 2 o(variance) a 6 where a (optimistic time) = the minimum activity time if everything pro- gresses ideally: m (the most likely time) = the most probable activity time under normal conditions, and b (pessimistic time) = the maximum activity time if substantial delays are encountered. 1

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