roblem $1.(9$ markroblem $1.(9$ marks$).$ At a local university, the Student Commission on Programming and

Entertainment $($SCOPE$)$ is preparing to host its first rock concert of the school year. To

successfully produce this rock concert, SCOPE has listed the requisite activities and related

information in the following table $($duration estimates measured in days$).$

Activity Immediate

Predecessor

$($s$)$

Optimistic Most

probable

Pessimistic

A: Negotiate contract with selected

musicians

$---81015$

B: Reserve site $---789$

C: Manage travel logistics for music

group

A $5610$

D: Screen & hire security personnel B $333$

E: Arrange advertising & ticketing B$,$C $159$

F: Hire parking staff D $4710$

G: Arrange concession sales E $3810$

a$.(7$ marks$)$ Draw the project network, indicating the earliest start, earliest finish, latest start,

and latest finish day of each activity.

b$.(2$ marks$)$ What is the expected duration and variance of the critical path?s$).$ At a local university, the Student Commission on Programming and

Entertainment $($SCOPE$)$ is preparing to host its first rock concert of the school year. To

successfully produce this rock concert, SCOPE has listed the requisite activities and related

information in the following table $($duration estimates measured in days$).$

Activity Immediate

Predecessor

$($s$)$

Optimistic Most

probable

Pessimistic

A: Negotiate contract with selected

musicians

$---81015$

B: Reserve site $---789$

C: Manage travel logistics for music

group

A $5610$

D: Screen & hire security personnel B $333$

E: Arrange advertising & ticketing B$,$C $159$

F: Hire parking staff D $4710$

G: Arrange concession sales E $3810$

a$.(7$ marks$)$ Draw the project network, indicating the earliest start, earliest finish, latest start,

and latest finish day of each activity.

b$.(2$ marks$)$ What is the expected duration and variance of the critical path?