Are you more likely to purchase a brand mentioned by an athlete on a social media...

Are you more likely to purchase a brand mentioned by an athlete on a social media site? According to Catalyst Digital Fan Engagement survey, 53% of social media sports fans would make such a purchase.

A) Suppose that the survey had a sample size of n=500. Construct a 95% confidence interval estimate for the population proportion of social media sports fans that would more likely purchase a brand mentioned by an athlete on a social media site.

B) Based on (a), can you claim that more than half of all social media sports fans would more likely purchase a brand mentioned by an athlete on a social media site?

C) Repeat parts (a) and (b), assuming that the survey had a sample size of n=5,000.

D) Discuss the effect of sample size on confidence interval estimation.

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Expert Solution

orchestra answered 1 year ago

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