A 2018 Pew Research Center survey (Pew Research website) examined the use of social media platforms in

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A 2018 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 .68 probability that a randomly selected American will use Facebook and a .25 probability that a randomly selected American will use LinkedIn. In addition, there is a .22 probability that a randomly selected American will use both Facebook and LinkedIn. 

a. What is the probability that a randomly selected American will use Facebook or LinkedIn? 

b. What is the probability that a randomly selected American will not use either social media platform?

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Statistics For Business & Economics

ISBN: 9781337901062

14th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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