The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who has completed just high school or only some college is chosen at random, what is the probability that they are aged 50 or over? Round your answer to the nearest thousandth. High school only Some college Bachelor's degree Master's degree Total Age 20-29 Age 30-39 Age 40-49 Age 50 & over 594 578 661 1696 1272 1421 1016 4303 770 627 3671 1017 1086 646 3410 1942 1057 2396 655 6050 Total 3775 5042 5673 2944 17434

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