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Instructions: Consider the following seven-activity project for which you have estimated optimistic (a), most likely (m), and pessimistic (b) activity times in days as well
Instructions:
Consider the following seven-activity project for which you have estimated optimistic ("a"), most likely ("m"), and pessimistic ("b") activity times in days as well as established precedence relationships among the activities.
activity | immediate predecessors | a | m | b |
A | --- | 9 | 12 | 15 |
B | --- | 11 | 14 | 17 |
C | A,B | 16 | 22 | 28 |
D | B | 13 | 16 | 25 |
E | D | 7 | 10 | 13 |
F | C,E | 10 | 13 | 22 |
G | D | 15 | 18 | 21 |
(a.) How long will the project take, on average?
(b.) What is the critical path?
(c.) If activity A finished after 15 days had elapsed, would the project likely suffer a delay? Why or why not?
- Consider a 57 day deadline. Find the probability that the project will be completed within 57 days. (Write down the Excel function.)
- Now find the probability that the project will be completed in under 39 days.
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