A Pew Research Center survey (Pew Research website) examined the use of social media platforms in the
Question:
A Pew Research Center survey (Pew Research website) examined the use of social media platforms in the United States. The survey found that there is a 0.68 probability that a randomly selected American will use Facebook and a 0.25 probability that a randomly selected American will use LinkedIn. In addition, there is a 0.22 probability that a randomly selected American will use both Facebook and LinkedIn.
a. What is the probability that a randomly selected person will use Facebook or LinkedIn (to 2 decimals)? .71
b. What is the probability that a randomly selected person will not use either social media platform (to 2 decimals)?
Statistics for Business & Economics
ISBN: 978-1337901062
14th edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran