Question: Consider the following work breakdown structure: Time Estimates (days) Activity Precedes Optimistic Most Likely Pessimistic Start A,B,C A D 38 50 62 BCDEF B E

Consider the following work breakdown structure: Time Estimates (days) Activity Precedes Optimistic Most Likely Pessimistic Start A,B,C A D 38 50 62 BCDEF B E 90 99 108 C End 85 100 115 D F 19 25 31 E End 91 100 115 F End 62 65 68 What is the estimated standard deviation in the time for activity E? Consider the following work breakdown structure: Start Finish Duration (days) Activity Node Node Optimistic Most Likely Pessimistic A 1 2 41 50 59 B 1 3 54 60 66 C 2 4 58 70 82 D 3 4 32 41 44 What is the estimated standard deviation in the time for activity D

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