For a turbocharger manufacturing project, following activities and times are gi

following table: $($all durations are in days$)$

$(4+3+3-10)$

Activity

Predecessor

Optimistic time

Most Likely Time

Pessimistic Time

A

$2$

B

$4$

$6$

$2$

$2$

C

$3$

$4$

$8$

D

$10$

A

$4$

$6$

$7$

E

A$.$ B

$70$

$9$

$12$

F

D$.$E

$1$

$2$

$3$

G

C

$2$

$3$

$4$

$($a$)$ Draw the project network, find the expected durations for each activit

project duration and the critical path.

otions