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A sample of 439 people is selected. The people are classified according to place of residence ("urban", "suburban", or "rural"). They are also classified according to highest educational degree earned ("no college degree", "two-year degree", "four-year degree", or "advanced degree"). The results are given in the contingency table below. No college degree Two-year degree Four-year degree Advanced degree Urban 28 29 19 38 Suburban 42 41 24 49 Rural 48 50 47 24 Among the people in the sample whose place of residence is urban, what is the relative frequency of those who have an advanced degree? Round your answer to two decimal places. X