need help please

(1) The following chart compares occupations with salaries. Salary Range Occupation 40,000 or less 41 to 70,000 71 to 100,000 More than 100,000 total Accountant 20 25 35 20 100 Teacher 20 15 15 5 55 Nurse 10 15 20 5 50 Lawyer 5 10 20 50 85 Total 55 65 90 80 290 Find the probability that a person selected from this group at random is: a) a nurse. b) a lawyer earning more than 100,000. c) a teacher or someone earning between 41,000 and 70,000 d) a nurse and a teacher. e) A lawyer or someone earning between71,000 and 100,000. f) an accountant given that they earn more than 100,000. g) a person earning 40,000 or less given that they are a teacher