Andrea has surveyed 30 classmates about the number of jobs they held in their lifetime and received the following frequency table: Number Frequency 0 10 1 6 2 0 3 4 4 3 5 3 6 4 Let A be the event in which for a randomly selected classmate the number of jobs they held in their lifetime is 4 and let B be the event in which for a randomly selected classmate the number of jobs they held in their lifetime is 5. Find the following probabilities