Give your answer as decimal, to two places

Homework #7 - Confidence Intervals Score: 0/100 0/13 answered Progress saved Done . Question 4 > 0/8 pts 5 99 19 0 Details You measure 31 textbooks' weights, and find they have a mean weight of 78 ounces. Assume the population standard deviation is 11 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places