Final answer:
Genworth Financial Canada and Canada Guaranty are the private mortgage insurers among the options given; CMHC is a government organization, and RBC is a bank.
Step-by-step explanation:
The question relates to mortgage insurance in Canada. Genworth Financial Canada and Canada Guaranty are private sector companies offering mortgage insurance. In contrast, the Canada Mortgage and Housing Corporation (CMHC) is a public sector organization, and the Royal Bank of Canada (RBC) is a bank that may offer mortgages but does not provide mortgage insurance.
Therefore, the private mortgage insurers in this list are Genworth Financial Canada and Canada Guaranty.