[Solved] After graduation, you and several of your friends decide to start a new software company

After graduation, you and several of your friends decide to start a new software company. As the vice president of operations, you are in charge of several production steps, including the process that records software onto a CD. You have identified several activities that must take place before this “burn-in” process is ready to use:

ACTIVITY

DURATION

(WEEKS)

PREDECESSORS

A Consult with engineering

3.5

None

B Determine equipment layout

2

None

C Install equipment

4.5

A, B

D Order materials

2

A

E Test equipment

2

C

F Train employees

3

D, E

G Perform pilot runs

2

F

H Get OSHA approval

4

E

a) Consider the project before crashing. Suppose that activities C and F may subject to random disruptions. For C, the best, most likely and worst estimates are 3,4,5 and 6 weeks respectively; for F, the best, most likely and worst estimates are 2,3 and 5 weeks respectively. What is the chance that the project can be completed in 14 weeks? If you want to promise a scheduled completion time with 95% confidence, how many weeks do you want to promise?

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