In the United States, MySpace and Facebook are considered the two most popular social networking Web sites. In the United Kingdom (UK), the competition for social networking is between MySpace and Bebo. According to Nielsen/Net Ratings (April 2006), 4% of UK citizens visit MySpace, 3% visit Bebo, and 1% visit both MySpace and Bebo.
a. Draw a Venn diagram to illustrate the use of social networking sites in the United Kingdom.
b. Find the probability that a UK citizen visits either the MySpace or Bebo social networking site.
c. Use your answer to part b to find the probability that a UK citizen does not visit either social networking site.