The activities summarized in the following table must be performed by the promoter of a country music concert in Dallas.

a. Draw the activity network for this problem.
b. According to PERT, what is the expected length of time required to accomplish these activities?
c. Assume that the durations of the activities are random variables that follow triangular distributions. Create a spreadsheet model of the project and use simulation to create 500 replications of the project. Rank the activities according to how critical they are.
d. When should the promoter begin working on the concert to have a 99% chance of completing the project by August 15? (Assume work is conducted seven days aweek.)

Predecessor Activity Days Required Most Min Likely Max Activity Description Find location Hire opening act Hire technicians Set up radio ads Distribute tickets Rent sound and lights Set up newspaper ads Hire security Conduct rehearsal Final details 7 10 B, C F, H 1.5 4