Question
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
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 weighted. The sample mean is 244 pounds. The sample deviation is 11 pounds.
State the distribution needed. Explain your reasoning.
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Fundamentals Of Actuarial Mathematics
Authors: S David Promislow
3rd Edition
1118782496, 9781118782491
