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Mathematics 12 Online
OpenStudy (anonymous):

A certain species of dolphin breaths a mean of 2.31 times per minute with a variance of 1.28. Given the central limit theorem, if you repeatedly pull 17 dolphins from the population, what will be the variance of the mean of the sampling distribution?

OpenStudy (anonymous):

I figured out the standard error in the mean at 1.28/sqrt(17)=0.31, is that what they're looking for?

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