Final answer:
Hiring and firing is not a typical activity in operations management; it is a function of human resources. Operations management deals with organizing work, designing jobs, and selecting processes.
Step-by-step explanation:
The activity in operations management that is not typically considered part of its domain is c) Hiring and firing. Operations management focuses on the efficiency and effectiveness of business operations, which involves tasks such as organizing work, designing jobs, and selecting processes to improve productivity and quality.
However, hiring and firing are generally functions of human resources management, which deals with the administrative aspects of managing an organization's workforce.