A large sales company recruits many graduating students from universities for its workforce. Thirty percent of those hired for management positions come from private universities and colleges and the rest from public colleges and universities. It is very expensive and time-consuming to train new managers, so the company is examining its retention rate (those still working for the company after six years) of these hires. Over the past six years, 35% of those managers who were hired from private schools had left for other jobs, while 20% of those from public schools had done so. What is the probability that a randomly selected person, who left the company within the past six years, was hired from a private university or college