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).

a. Draw the project network.
b. Compute the expected duration and variance of each activity.
c. Determine the critical path in the project network.
d. What is the expected duration and variance of the critical path?
e. What is the likelihood that the project will be completed within 30 days?
f. If activity B is delayed by six days beyond its early start time, how does this affect the expected projectduration?

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Immediate Most Activitv Predecessors) Optimistic Probable Pessimistic A: Negotiate contract with 10 15 selected musicians B: Resetve site C: Manage travel logistics 10 for music group D: Screen & hire security personnel E: Arrange advertising B, C & ticketing F: Hire parking staff G: Arrange concession sales 10 10 4.