The one-time fling! have you ever purchased an article of clothing (dress, sports jacket, worn the item once to a party, and then returned the purchase? this is called a one-time fling. about 15% of all adults deliberately do a one-time fling and feel no guilt about it! in a group of seven adult friends, find the following probabilities.. (a) no one has done a one-time fling. (use 3 decimal (b) at least one person has done a one-time fling. (use 3 decimal . ( c) no more than two people have done a one-time fling. (use 3 decimal places.)