1. If an activity whose normal duration is 15 days can be shortened to 10 days for an added cost of $2,000, what is the crash time and crash cost per day?

Select one:

a.

10 days; $400

b.

10 days; $2,000

c.

5 days; $10,000

d.

10 days; $20,000

e.

5 days; $400

2. A project is comprised of five tasks. The precedence relationships and crash information are given in the following table.

If you need to shorten the project completion time byfour days in total, how much is the total minimum crash cost (in$$)?

Answer:

6. Two critical path activities are candidates for crashing on a project. Activity details are in the table below. To cut one day from the project's completion time, activity ________ should be crashed first, adding ________ to project cost.

Select one:

a.

B, $500

b.

A, $400

c.

A and B, $1,300

d.

A and B, $900

e.

A, $800

7. Contract requirements state that a project must be completed within 180 working days, or it will incur penalties for late completion. Analysis of the activity network reveals an expected project completion time of 145 working days with a project variance of 400. What is the probability that the project will be completed before the late-payment deadline? (select the closest answer)

Select one:

a.

about 4%

b.

over 99%

c.

about 80%

d.

about 46%

e.

about 96%