Question: I. Based on the following network information: Activity a m b Expected time Standard deviation Variance A 1 2 5 B 2 3 6 C

I. Based on the following network information: Activity a m b Expected time Standard deviation Variance A 1 2 5 B 2 3 6 C 1 2 3(

1) Find the critical path. Why?

(2) Find the project expected completion time.

(3) Find the standard deviation of the critical path.

II. Three activities are candidates for crashing on a project for a large computer installation. The project network is shown below. Activity Normal Time (weeks) Crash Time (weeks) Normal Cost Crash Cost A 7 6 $6000 $7000 B 5 1 $1000 $3000 C 6 3 $3000 $4800

(1) What is the project normal completion time?

(2) What is the total cost required for completing this project on normal time?

(3) If you wish to reduce the time required to complete this project by three weeks, which activity/activities should you crash? Why? How much will this increase the total cost?

Please show the steps in the process of figuring out the requested information. Thank you.

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