Question: This is a schedule for a short school project. Use the values in the table to answer the questions below: Activity Predecessor Optimistic Likely Pessimistic

This is a schedule for a short school project. Use the values in the table to answer the questions below:

Activity

Predecessor

Optimistic

Likely

Pessimistic

A

--

1

8

9

B

A

4

5

12

C

A

10

12

20

D

B

5

12

13

E

C, D

1

3

5

The variance for activity C is:

a.

1.78

b.

None of the above

c.

1.74

d.

2.78

e.

3.78

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