Optimistic Probable Pessimistic Expected

Activity Preceding

Activity Preceding

A

B

A

$7$

$9$

$14$

C

A

$2$

$2$

$8$

$12$

$3$

$5$

$10$

E

C

$4$

$6$

$8$

D

F

B

$6$

$8,10$

G

F

$2$

$3$

$4$

$H$

D$,$ E

$2$

$2$

$6$

$8$

$16$

J

$H$

I, J

$2$

$2$

$6$

$14$

K

What is the probability of completion of the project AFTER week $40?$

$7634\%$

$89\%$

$45\mathrm{.}5\%$

$50\%$