What's the best way to resolve this, I'd like to confirm if I'm doing it right ?

The following joint frequency distribution table shows responses from a sample of 226 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval. Age Group Approve Disapprove Indifferent Total under 25 10 33 27 70 25 to 40 25 37 6 68 over 40 31 28 29 88 Total 66 98 62 226 Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not approve? | 0.7080 b) was in the under 25 age group and disapproved? | 0.1460 c) was not in the under 25 age group and disapproved? |0.2876 d) was in the under 25 age group or disapproved? |0.5973 e) was not in the under 25 age group or disapproved? |0.8363 f) was not under 25 and did not approve? |0.2876 2. Given that an employee was in the 25 to 40 age group, what is the probability that the employee a) approved? 0.3676 b) did not disapprove? | 0.4559 3. What is the probability of selecting an employee that was in the under 25 age group from a group of employees that a) disapproved? |0.1460 b) did not approve? | 0.7080 Add Work