3 4 6 9 10 11 12 13 14 15 Question 3 of 15 (1 point) Attempt 1 of 1 2h 58m Remaining 7.1 Section Exercise 20 Length of Growing Seasons The growing seasons for a random sample of 38 U.S. cities were recorded, yielding a sample mean of 195.2 days and the population standard deviation of 55.2 days. Estimate the true population mean of the growing season with olo 90% confidence. Round your answers to at least one decimal place.