Final answer:
The person referred to as a 'Supervisor' is most likely in middle management.
Step-by-step explanation:
The most likely true statement about the person who gives you a business card with the title 'Supervisor' is that she is in middle management. In an organization, middle management is responsible for overseeing the work of first-line managers and reporting to top management. They are generally responsible for implementing the plans and policies set by top management and supervising the activities of employees.