The one time fling. Have you ever bought the article of clothing (dress, sports jacket, etc.) worn item once to a party, and then returned purchase? This is called the one time fling. About 10% of all adults deliberately do one time fling and feel no guilt about it. In the group of seven adults friends, determine the probability that:
a. no one has done one time fling?
b. at least one person has done one time fling?
c. no more than two people have done one time fling?