1. A project manager has compiled a list of major activites that will be required to install a computer information system in her company. The list includes three estimates of duraations (optimistic, most likely, pesimistic) for activities and predecens relationships:
a) Given the following network and activity time estimates!
b) Determine (ES, LS, EF, LF) earliest and latest activity times, slack, the expected project completion time and variance, and
c) If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus!
d) What is the probability that the project will be finished more than 26 weeks?
2. Bolling Electronics manufactures DVD players for commercial use W. Blaker Bolling, president of Bolling Electronics, is contemplating producing DVD players for home use. The activities necessary to build an experimental model and related data are given in the following table:
a) What is the project completion date?
b) Crash this project to 10 weeks at the least cost?
c) Crash this project to 7 weeks (which is the maximum it can be crashed) at the least cost?