Question: a 2 Given the following activities for staging a community play on Independence Day: Activity A Predecessor Time (days) m b 4 6 B

a 2 Given the following activities for staging a community play on

a 2 Given the following activities for staging a community play on Independence Day: Activity A Predecessor Time (days) m b 4 6 B - 5 5 5 C B 3 5 7 D A 7 9 11 E A 11 12 13 F B,D 5 6 7 G 9 10 11 H C, F 4 7 10 | D 7 9 11 J E 3 3 3 K F 8 10 12 L H 6 8 10 M I, J 7 8 15 N G 10 12 14 L, M 4 6 8 a) b) Calculated the expected time and variance of each activity. Draw an AON diagram with ES, EF, LS, LF. c) What is the project duration and standard deviation? d) What is the probability to finish the project in 45 days? 42 days? 38days? e) How many days will be needed to finish the project with 80% probability? 95% probability?

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