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Find the confidence interval of the true mean

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Reference no: EM132529481

A recent survey of 9 social networking sites has a mean of 13.29 million visitors for a specific month.The standard deviation was 3.8 million. Find the 98% confidence interval of the true mean. Assume the variable is normallydistributed. Round your answers to at least two decimal places.

Reference no: EM132529481

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