3. A survey by Social Media Examiner reported that 76% of B2B marketers (marketers that focus primarily
Question:
3. A survey by Social Media Examiner reported that 76% of B2B marketers (marketers that focus primarily on attracting businesses) plan to increase their use of LinkedIn, as compared to 52% of B2C marketers (marketers that primarily target consumers). The survey was based on 1,780 B2B marketers and 3,306 B2C marketers. The following table summarizes the results:
a. Provide an example for a simple event.
b. Provide an example for a joint event.
c. What is the complement of a marketer who plans to increase the use of LinkedIn?
d. Why does a marketer plans to increase the use of LinkedIn and also check whether is a B2C marketer a joint event?
e. If a marketer is selected at random, what is the probability that
i. he or she plans to increase the use of LinkedIn?
ii. he or she is a B2C marketer?
iii. he or she plans to increase the use of LinkedIn or is a B2C marketer?
iv. Explain the difference in the results obtained in (ii) and (iii).