The one time fling! Have you ever purchased an article ofclothing (dress, sports jacket, etc.) worn the item once to aparty, and then returned the purchase? This is called a one timefling. About 10% of all adults deliberately do a one time fling andfeel no guilt about it! (Source: Are you Normal? by BerneiceKanner, St. Martin's Press.) In a group of seven adults friends,what is the probability that:
a. no one has done a one time fling?
b. at least one person has done a one time fling?
c. no more than two people have done a one time fling?