A recent survey of 18 randomly selected social networking sites has a mean of 11.5 million visitors for a specific month. The

Question

A recent survey of 18 randomly selected social networking sites has a mean of 11.5 million visitors for a specific month. The standard deviation is 4.58 million. Find the lower bound limit of the 99% confidence interval of the true mean.
Round your answer to 3 decimal places.

Kunduz · Accepted Answer

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