Can someone help me on this question?

The table shows the educational attainment of the population of a country, ages 25 and over, expressed in millions. Find the but less than four years. probability that a randomly selected person, age 25 or over, has completed four years of high school only or some college, Years of High School Years of College Less than 4 4 only Some (less than 4) 4 or more Total Male 12 30 19 22 83 Female 15 30 25 20 90 Total 27 60 44 42 173 The probability is (Type an integer or a simplified fraction.)