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7. A sample of 8 adult elephants had an average weight of 11,845 pounds. The standard deviation for the sample was 20 pounds. Find the

7. A sample of 8 adult elephants had an average weight of 11,845 pounds. The standard deviation for the sample was 20 pounds. Find the 99 % confidence interval of the population mean for the weights of adult elephants. Assume the variable is normally distributed.

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