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Activity Duration Predecessor Cost to crash by 1 day Max days to crash A 5 - $300 1 B 3 - $100 1 C 4

Activity

Duration

Predecessor

Cost to crash by 1 day

Max days to crash

A

5

-

$300

1

B

3

-

$100

1

C

4

A

$100

1

D

3

A

$200

2

E

4

B

$400

3

F

2

D, E

$500

2

G

4

E

$300

3

H

3

C

$100

2

  1. If your task is to crash this project by 2 days, what is the most efficient cost of doing it?(Just input the number with no decimals or dollar signs)
  2. Suppose that the project duration that you have calculated in question 2 (before crashing) is the expected duration of the project. Its variance of the critical path is 4 days. The principal requires you to complete the project before the day 15. If you finish later, you will incur a fine. What is the probability of receiving a fine?
  3. Your manager wonders whether or not you should crash the project by 2 days. If you do, the variance of the project duration will remain the same. What is the probability that you will receive a fine? Based on your calculations in Q4 and Q5, would you recommend crashing the project?

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