Question: Consider the following work breakdown structure: What is the Standard Deviation of activity D? Time Estimates (days) Activity Precedes Optimistic Most Likely Pessimistic Start A,B

Consider the following work breakdown structure: What is the Standard Deviation of activity D?

Time Estimates (days)

Activity

Precedes

Optimistic

Most Likely

Pessimistic

Start

A,B

-

-

-

A

C,D

44

50

56

B

D

45

60

75

C

E

42

45

48

D

F

31

40

49

E

F

27

36

39

F

End

58

70

82

3.

5.

9.

6.

25.

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