7.1, 7.2, 7.3 #4

Weights of Elephants A sample of 7 adult elephants had an average weight of 12,618 pounds. The standard deviation for the sample was 22 pounds. Find the 99% confidence interval of the population mean for the weights of adult elephants. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to the nearest whole number. 0.147