the following table represents the highest educational attainment of all adult residents in a certain town…

the following table represents the highest educational attainment of all adult residents in a certain town. if a resident who has only completed high school is chosen at random, what is the probability that they are aged 40 or over? round your answer to the nearest thousandth.\n| | age 20 - 29 | age 30 - 39 | age 40 - 49 | age 50 & over | total |\n|--|--|--|--|--|--|\n| high school only | 1443 | 1211 | 423 | 1390 | 4467 |\n| some college | 1307 | 1575 | 1237 | 2719 | 6838 |\n| bachelors degree | 704 | 1404 | 448 | 2260 | 4816 |\n| masters degree | 1178 | 433 | 804 | 367 | 2782 |\n| total | 4632 | 4623 | 2912 | 6736 | 18903 |

the following table represents the highest educational attainment of all adult residents in a certain town. if a resident who has only completed high school is chosen at random, what is the probability that they are aged 40 or over? round your answer to the nearest thousandth.\n| | age 20 - 29 | age 30 - 39 | age 40 - 49 | age 50 & over | total |\n|--|--|--|--|--|--|\n| high school only | 1443 | 1211 | 423 | 1390 | 4467 |\n| some college | 1307 | 1575 | 1237 | 2719 | 6838 |\n| bachelors degree | 704 | 1404 | 448 | 2260 | 4816 |\n| masters degree | 1178 | 433 | 804 | 367 | 2782 |\n| total | 4632 | 4623 | 2912 | 6736 | 18903 |

Answer

Answer:

0.397

Explanation:

Step1: Identify relevant numbers

Number of high - school - only residents aged 40 or over = 423 + 1390 = 1813 Number of high - school - only residents = 4467

Step2: Calculate probability

Probability = $\frac{1813}{4467}\approx0.397$