project management

Primary Task Response: Within the Discussion Board area, write 300–500 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas.

Why is estimating the duration of project activities so difficult?
In your own words, what is the difference between durations and work?
Describe what dependencies are and why they are important for dynamic schedules.
Describe the difference between constraints and deadlines.