Question: Consider the work breakdown structure below to answer following 4 questions Activity Immediate precedes Time estimates (day) Optimistic Most likely pessimistic A Start 44 50

Consider the work breakdown structure below to answer following 4 questions

Activity

Immediate precedes

Time estimates (day)

Optimistic

Most likely

pessimistic

A

Start

44

50

56

B

Start

45

60

75

C

A

42

45

48

D

A, B

31

40

49

E

C

27

36

39

F

D, E

58

70

82

- What is the estimated standard deviation in the time for activity E?

- What is the estimated expected (mean) time for project completion?

- What is the estimated slack time for activity D?

- What is the probability that the critical path for this project will be completed within 210 days?

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