2. You measure 22 textbooks' weights, and find they have a mean weight of 77 ounces. Assume the population standard deviation is 9.3 ounces. Based on th construct a 95% confidence interval for the...

Extracted text: 2. You measure 22 textbooks' weights, and find they have a mean weight of 77 ounces. Assume the population standard deviation is 9.3 ounces. Based on th construct a 95% confidence interval for the true population mean textbook weight. Give your answer as 2 decimal places. O 73.11 <>< 80.89="" o="" 74.12=""><>< 81,29="" o="" 75.13=""><>< 80.85="" o="" 72.15=""><><>