Length of Growing Seasons: The growing seasons for a random sample of 36 U.S. cities were recorded, yielding a sample of 192.3 days and the population standard deviation of 51.4 days. Estimate the...

Length of Growing Seasons:

 The growing seasons for a random sample of 36 U.S. cities were recorded, yielding a sample of 192.3 days and the population standard deviation of 51.4 days. Estimate the true population mean of the growing season with 99% confidence. Use a graphing calculator and round the answers to one decimal place.