There are a total of 4596 + 3578 + 2405 + 5973 = 16552 residents in the town. Among them, 4596 residents are aged 20-29.
Out of the residents aged 20-29, 1261 have completed high school only and 1252 have some college education.
Therefore, the probability that a resident aged 20-29 has completed only high school or just some college is:
(1261 + 1252) / 4596 = 2513 / 4596 ≈ 0.547
Rounded to the nearest thousandth, the probability is 0.547.
The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who is aged 20-29 is chosen at random, what is the probability that they have completed a only high school or just some college? Round your answer to the nearest thousandth.
Age 20-29 Age 30-39 Age 40-49 Age 50 & over Total
High school only 1261 370 1038 530 3199
Some college 1252 1514 615 2350 5731
Bachelor's degree 1596 1220 484 1820 5120
Master's degree 487 474 268 1273 2502
Total 4596 3578 2405 5973 16552
1 answer