A survey of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) was based on 1000 B2B marketers and 1000 B2C marketers. The table to the right summarizes the results. Complete parts (a) through (c) below. Increase use of social media Yes No Total a. Suppose you know that the marketer is a B2B marketer. What is the probability that he or she plans to increase use of social media? The probability that he or she plans to increase use of social media is .596. (Simplify your answer. Round to three decimal places as needed.) b. Suppose you know that the marketer is a B2C marketer. What is the probability that he or she plans to increase use of social media? The probability that he or she plans to increase use of social media is .712. (Simplify your answer. Round to three decimal places as needed.) c. Are the two events, increase use of social media and business focus, independent? Explain. B2B 596 404 1000 Business Focus B2C 712 288 1000 Total 1308 692 2000 O A. No, because the probability that the marketer plans to increase social media use given the marketer type is not the same as the probability that a marketer plans to increase social media use. OB. Yes, because the probability that the marketer plans to increase social media use is not the same as the probability that the marketer is a B2C marketer. OC. Yes, because the probability that the marketer plans to increase social media use given the marketer type is not the same as the probability that a marketer plans to increase social media use. O D. No, because the probability that the marketer plans to increase social media use is not the same as the probability that the marketer is a B2C marketer.