Activity

Optimistic

Most likely

pessimistic

A

5

7

12

B

4

9

10

C

2

3

4

D

6

12

18

34)What is expected completion time for activity D?

A.12.000

B.12.667

C.12.333

D.13.152

35)What is the variance for activity A?

A.1.000

B.1.361

C.5.444

D.4.315

36)If activities A, B and D are on the critical path, what is the probability of completing the project in less than 26 days?

A.0.2190

B.0.2336

C.0.7125

D.0.1245