I have a table with students versus non-students. 3 students get less than or equal to 6 hours of sleep every night. 3 non-students get less than or equal to 6 hours of sleep every night. 3 students get greater than 6 hours of sleep every night and 1 non-student gets greater than 6 hours of sleep every night. What is the probability that a randomly selected person is not a student or slept less than an average of 6 hours a night