Question: How will marketers change their social media use in the near future? A survey by Social Media Examiner of B2B marketers (marketers that focus primarily
How will marketers change their social media use in the near future? A survey by Social Media Examiner of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) was based on 1,780 B2B marketers and 3,306 B2C marketers. The following table summarizes the results:

a. Suppose you know that the marketer is a B2B marketer. What is the probability that he or she plans to increase use of LinkedIn?
b. Suppose you know that the marketer is a B2C marketer. What is the probability that he or she plans to increase use of LinkedIn?
c. Are the two events, increase use of LinkedIn and business focus, independent? Explain.
INCREASE USE OF LINKEDIN? BUSINESS FOCUS B2C 1,719 1,587 3,306 Total B2B 1,353 3,072 2,014 5,086 Yes No Total 427 1,780
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