Question: What social media tools do marketers commonly use? A survey by Social Media Examiner of B2B marketers (marketers that focus primarily on attracting businesses) and

What social media tools do marketers commonly use? A survey by Social Media Examiner of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) reported that 267 (81%) of B2B marketers and 295 (44%) of B2C marketers commonly use LinkedIn as a social media tool. The study also revealed that 149 (45%) of B2B marketers and 308 (46%) of B2C marketers commonly use YouTube as a social media tool.

Suppose the survey was based on 330 B2B marketers and 670 B2C marketers.

a. At the 0.05 level of significance, is there evidence of a difference between B2B marketers and B2C marketers in the proportion that commonly use LinkedIn as a social media tool?

b. Find the p-value in (a) and interpret its value.

c. At the 0.05 level of significance, is there evidence of a difference between B2B marketers and B2C marketers in the proportion that commonly use YouTube as a social media tool?

d. Find the p-value in (c) and interpret its value.

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