A sample of people is selected. The people sampled are classified according to their place of residence and the highest educational degree that they have earned. The results are given in the contingency table below.
Highest Degree Warned
No Degree 2 yr degree 4 yr degree Advanced degree
29 30 29 15
Places of residence Suburban 41 48 40 29
rural 29 35 15 25
What is the relative frequency of people in the sample who do not have a college degree?
Round your answer to at least two decimals places.
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