Final answer:
Group Health Insurance is the type of insurance policy usually for large groups only, with rates based on the claims experience of the specific company.
Step-by-step explanation:
The type of insurance policy that is usually for large groups only, with rates based on the claims experience of the specific company is Group Health Insurance. Group health insurance is typically provided by employers or organizations for their employees or members. The rates for group health insurance are determined based on the overall claims experience of the group as a whole.