In a survey of 275 professional athletes, it was found that 126 of them owned a convertible, 124 of them owned a giant screen TV, and 123 owned a sporting goods store. 18 owned a convertible and a store, 45 owned a TV and a store, and 69 owned a covertible and a TV. 11 owned all three items. 1. How many athletes did not own any of the three items? 2. How many owned a covertible and a TV, but not a store? 3. How many athletes owned a convertible or a TV? 4. How many athletes owned exactly one type of item in the survey? 5. How many athletes owned at least one type of item in the survey? 6. How many owned a TV or a store, but not a convertible?