Draw the precedence network and perform the network calculation

$($

using only the most likely duration

$)$

$.$

$2$

$.$

Determine the critical path.

$3$

$.$

What is the total slack and free slack of activity F

$?$

$4$

$.$

If you need to shorten the critical path by two days, what is the best activity to apply crashing independently of cost

$?$

$5$

$.$

For the activities on the critical path found in item

$2$

$,$

calculate the expected duration, standard deviation, and variance.

$6$

$.$

Considering the information in item

$5$

$,$

what is the project delivery deadline, considering a confidence interval of

$9$

$5$

$.$

$4$

$4$

$\%$

$?$

$\backslash$

table

$[$

$[$

Activity

$,$

Precedence,

$\backslash$

table

$[$

$[$

Duration

$]$

$,$

$[$

Optimistic

$]$

$,$

$[$

Most Likely

$]$

$]$

$]$

$,$

$[$

BEGINNING

$,$

$,$

$0$

$,$

$0$

$,$

$0$

$]$

$,$

$[$

A

$,$

BEGINNING,

$4$

$1$

$,$

$6$

$0$

$,$

$8$

$9$

$]$

$,$

$[$

B

$,$

BEGINNING,

$1$

$2$

$,$

$2$

$0$

$,$

$2$

$4$

$]$

$,$

$[$

C

$,$

BEGINNING,

$2$

$8$

$,$

$3$

$0$

$,$

$3$

$3$

$]$

$,$

$[$

D

$,$

A

$,$

$8$

$5$

$,$

$1$

$0$

$0$

$,$

$1$

$1$

$3$

$]$

$,$

$[$

E

$,$

A

$,$

$2$

$0$

$,$

$3$

$0$

$,$

$4$

$0$

$]$

$,$

$[$

F

$,$

B

$,$

$1$

$4$

$,$

$2$

$0$

$,$

$2$

$7$

$]$

$,$

$[$

G

$,$

C

$,$

$3$

$4$

$,$

$4$

$0$

$,$

$4$

$8$

$]$

$,$

$[$

H

$,$

E

$,$

$4$

$5$

$,$

$5$

$0$

$,$

$6$

$8$

$]$

$,$

$[$

J

$,$

F

$,$

G

$,$

$6$

$4$

$,$

$8$

$0$

$,$

$8$

$4$

$]$

$,$

$[$

K

$,$

J

$,$

$2$

$4$

$,$

$4$

$0$

$,$

$4$

$8$

$]$

$,$

$[$

L

$,$

G

$,$

$4$

$5$

$,$

$6$

$0$

$,$

$7$

$8$

$]$

$,$

$[$

M

$,$

L

$,$

$1$

$6$

$,$

$2$

$0$

$,$

$2$

$2$

$]$

$,$

$[$

END

$,$

D

$,$

H

$,$

K

$,$

M

$,$

$0$

$,$

$0$

$,$

$0$

$]$

$]$

NOTE: DATA IN HOURS. ONE DAY EQUIVALENT TO

$8$

HOURS