Are you likely to purchase an item promoted by a celebrity on a social media site?...

Are you likely to purchase an item promoted by a celebrity on a social media site? According to a survey, 26% of social media users have made such a purchase. Complete parts (a) through (d) below.

a. Suppose that the survey had a sample size of n =900. Construct a 90% confidence interval estimate for the population proportion of social media users that have purchased an item promoted by a celebrity on a social media site.

≤ π ≤

(Type an integer or a decimal. Round to four decimal places as needed.)

b. Based on (a), can you claim that more than a quarter of all social media users have purchased an item promoted by a celebrity on a social media site?

c. Repeat parts (a) and (b), assuming that the survey had a sample size of n= 10,000

d. Discuss the effect of sample size on the confidence interval estimate

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orchestra answered 11 months ago

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Are you likely to purchase an item promoted by a celebrity on a social media​ site?...

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