Use StatCrunch for this problem. Do not use values for z or t that you round, get from tables, etc. Only use StatCrunch. You measure 24 textbooks' weights, and find they have a mean weight of 65 ounces. Assume the population standard deviation is 11.8 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places Check