The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who has a master's degree is chosen at
random, what is the probability that they are aged 40-49? Round your answer to the
nearest thousandth.
Age 20-29 Age 30-39 Age 40-49 Age 50 & over Total
931
498
864
667
2960
946
1203
1595
1541
5285
High school only
Some college
Bachelor's degree
Master's degree
1668
671
1400
1980
5719
1060
244
251
1094
2649
Total
4605
2616
4110
5282
16613