A total of 1494 randomly selected adults who are at least 22 years in age were asked, "How frequently do you visit quick service restaurants?" To be included in the study, a person had to meet two criteria. Within 30 days prior to the study, the person must have visited a quick service restaurant at least 4 times or a casual restaurant at least twice, and the person must have visited quick service restaurants at least as many times as casual restaurants. Their responses are described by the pie chart. Answer parts (a) through (d) below. W Click the icon to view the Frequency of Visits to Quick Service Restaurants. a. Find the probability that a person randomly selected from the survey visits quick service restaurants once a week. Visits to quick service restaurants (Type an integer or a decimal.) Frequency of Visits to Quick Service Restaurants b. Find the probability that a person randomly selected from the survey visits quick service restaurants at least twice a week Less than once a week, 17.5% I Once a week, 25% O Twice a week, 23.9% O Theee times a week, 16.9% I Four times a week, 7.9% More than four times a week, 8.8% (Type an integer or a decimal.) c. Find the probability that a person randomly selected from the survey visits quick service restaurants less than twice a week Type n integer or a decimal.) Print Done