# Pic TIMES (days) Activity Start Node Finish Node OPTIMISTIC to MOST LIKELY tm PESSIMISTIC tp A 1 2 26 38 62 B 1 3 15 21 33 C 2 5 12 24 60 D 3 4 25 43 61 E 4 5 13 22 49 Given the Activity on Arrow Diagram and the data found in the table above, calculate each of the following values: Activity A………te = 40 Standard Deviation = 6 Activity B………te = Spell check Standard Deviation = Spell check Activity C………te = Spell check Standard Deviation = Spell check Activity D………te = Spell check Standard Deviation = Spell check Activity E………te = Spell check Standard Deviation = 6 Path 1 – 2 – 5 Mean Time = Spell check Standard Deviation =10 Path 1 – 3 – 4 – 5 Mean Time = Spell check Standard Deviation = Spell check

Pic
TIMES (days)

Activity

Start Node

Finish Node

OPTIMISTIC

to

MOST LIKELY

tm

PESSIMISTIC

tp

A

1

2

26

38

62

B

1

3

15

21

33

C

2

5

12

24

60

D

3

4

25

43

61

E

4

5

13

22

49

Given the Activity on Arrow Diagram and the data found in the table above, calculate each of the following values:

Activity A………te = 40
Standard Deviation = 6
Activity B………te =

Spell check

Standard Deviation =

Spell check

Activity C………te =

Spell check

Standard Deviation =

Spell check

Activity D………te =

Spell check

Standard Deviation =

Spell check

Activity E………te =

Spell check

Standard Deviation = 6

Path 1 – 2 – 5
Mean Time =

Spell check

Standard Deviation =10

Path 1 – 3 – 4 – 5
Mean Time =

Spell check

Standard Deviation =

Spell check

## Solution

https://d2vlcm61l7u1fs.cloudfront.net/media%2F41b%2F41b8f117-91f7-4dd8-9cf1-afbf374ab07e%2Fphp4YCZRZ.png