Question 2

How will marketers change their social media use 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 on 1,184 B2B marketers and 1,703 B2C marketers. The following table summarize the results:

BUSINESS FOCUS

Increase of LinkedInB2BB2CTotal

Yes9129201,832

No2727831,055

Total1, 1841,7032,887

a.Suppose you know the marketer is a B2B marketer, what is the probability that he or she plans to increase the 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

For each part (a) through c) show all of your steps and define your terms.