Question: Which distribution should you use for this problem? The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish

Which distribution should you use for this problem?

The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence interval for the mean weight of newborn elephant calves. Fifty newborn elephants are weighed. The sample mean is 244 pounds. The sample standard deviation is 11 pounds.

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