Question

Total 1252 748 2000 A survey of B2B marketers (marketers that focus primarily on attracting businesses) and Business Focus B2C marketers (marketers that primarily target consumers) was based on 1000 B2B Increase use of social media B2B B2C marketers and 1000 B2C marketers. The table to the right summarizes the results. Yes 530 722 Complete parts (a) through (c) below. No 470 278 Total 1000 1000 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 0.265 (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 0.361 (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. O A. 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 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. C. 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. OD. 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. Click to select your answer(s).

Answer 1

a Plere oor she plans to increase use of focial media given the marketer is a B2B marketer) & P (increase un of social media B2B marketer) P (B2B marketer) 530/2000 1000/2000 Ou 530 P ( he or she plans to increase use of social media given en orshe is a PCincrean use tocial marketer) B2C marketer) B2C markite P (B2C marketer) of 2 2 722 /2000 1000 /2000 0,722 Ara the too events increase social media & businens focus independent? Explain option. No, because the probability that the marketer plans to increase social media use given the markeder type is not the same as the probability that a to increas social media marketer plans