Social Media Use. 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.

P(F)=0.68, P(L)=0.25, P(F\L)=0.22

1. What is the probability that a randomly selected American will use Face-

book or LinkedIn? (Hint. What is P(F[L)?)