'(An outbreak of food poisoning occurs in a group of students who attended a back-to school ' party. The following table summarizes data obtained from the students who were at the party. ILL Not |LL Ate Barbecue 90 30 Did Not Eat Barbecue 20 60 1. What is the probability that a student who attended a party becomes ill? 2. What is the probability that a student who attended a party does not become ill? 3. What is the probability that a student who attended a party did not eat barbecue? 4. What is the probability that a student who attended a party ate barbecue? 5. What is the probability that a student ate barbecue and becomes ill? 6. What is the probability that a student did not eat barbecue or does not become ill? 7. What is the probability that a student becomes ill after eating barbecue? 8. What is the probability that a student becomes ill if no barbecue is eaten? 9. What is the probability that a student does not become ill after eating barbecue? 10. What is the probability that a student does not become ill if no barbecue is eaten