You may need to use the appropriate appendix table or technology to aliwel t In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 70 pieces of carry-on luggage was collected and weighed. The average wein was 29.5 pounds. Assume that we know the standard deviation of the population to be 5.25 pounds. Also, assume the population is normally distributed. (Round your answers s three decimal places) (a) Determine a 99% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage pounds to pounds (b) Determine 95% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage pounde pounds to

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