Question: Consider the network described in the table below. Activity Immediate Predecessor(s) Pessimistic Most likely Optimistic J -- 15 10 8 K -- 9 8 7

Consider the network described in the table below.

Activity

Immediate

Predecessor(s)

Pessimistic

Most likely

Optimistic

J

--

15

10

8

K

--

9

8

7

L

J

10

6

5

M

J

3

3

3

N

K, M

9

5

1

O

K, M

10

7

4

P

L, N

10

8

3


(a) Calculate the expected duration and standard deviation of each activity.

(b) List all the paths from start to finish.

(c) Calculate the expected duration and variance of each path.

(d) Find the probability that the project will be completed in fewer than 30 time units.

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