The ANSWER is here

How is the success rate of Franchise business?

A franchise's business system should provide a formula for operating a successful business. Typically, operating strategies have been systemized and optimized by the time the company is franchised and the company should be able to help franchisees with any challenges that occur. Business often fail from lack of management skills. With hard work, you and your franchisor should be able to avoid and overcome any problems that occurs. In surveys, nine out of ten franchise owners stated that their business was as tleast somethat successful.

Source: Business for Sales, Jul/Aug 2008's version, p. 13