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Social Networking Sites A recent survey of 10 social networking sites has a mean of 12.67 million visitors for a specific month. The standard deviation

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Social Networking Sites A recent survey of 10 social networking sites has a mean of 12.67 million visitors for a specific month. The standard deviation was B 3.3 million. Find the 95% confidence interval of the true mean. Assume the variable is normally distributed. Use a graphing calculator and round the answers to at least one decimal place. X

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