The managers of a corporation were surveyed to determine the background that leads to a successful manager. Each manager was rated as being either a good, fair, or poor manager by his/her boss. The manager's educational background was also noted. The data appear below. Given that a manager is a good manager, what is the probability that this manager has some college background? Educational Background Manager Rating H. S. Degree Some College College Degree Master's or Ph.D. Totals Good Fair Poor Totals 28 39 16 45 18 87 6. 4. 6. 15 34 22 21 79 38 160

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