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Social networking Web sites in the United Kingdom. In the
Chapter 3, Problem 40E(choose chapter or problem)
Problem 40E
Social networking Web sites in the United Kingdom. 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/ NetRatings (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.
Questions & Answers
QUESTION:
Problem 40E
Social networking Web sites in the United Kingdom. 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/ NetRatings (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.
ANSWER:
Solution:
Step 1 of 4:
MySpace and Facebook are considered two most popular social networking Web sites in United States. In United Kingdom, the competition for social networking is between MySpace and Bebo.
According to NetRatings (April 2006) 4% of UK citizens visit MySpace, 3% visit Bebo, and 1 % visit both MySpace and Bebo.