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  1. mathematics
  2. statistics
  3. a) many celebrities and public figures have twitte

A) Many celebrities and public figures have Twitter accounts with large numbers of followers. However, some...

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Statistics

A) Many celebrities and public figures have Twitter accountswith large numbers of followers. However, some of these followersare fake, resulting from accounts generated by spamming computers.In a sample of 46 twitter audits, the mean percentage of fakefollowers was ?Ì…= 15.9 with a standard deviation of ? = 9.3.Construct a 99% confidence interval for the mean percentage of fakeTwitter followers.

B) An executive at Twitter claims that the percentage of fakeTwitter followers is less than 10. Based on the confidenceinterval, is this a reasonable claim?

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