38) Queuing theory is used for

Answer is:

all of these

Explanation:

Queueing theory is used for
- Inventory problems
- Traffic congestion studies
- Job-shop scheduling

Answer is:

Answer is:

Explanation:

Service time in queuing theory is usually assumed to follow Exponential law.

Answer is:

Answer is:

Explanation:

Activity is defined as the amount of work performed that converts input to appropriate outputs.