Question 22, 9.3.9 Homework: Ch9 HW One Sample Confidence Intervals Parti of2 A simple random sample ot size n 40 is drawn from a populatiom The sample mean is found to be x 121.8 and the sample standard deviation is tound to be s The lower bound is (Round to two decimal places as needed.) HW Score: 75%, 18 of 24 points O Points: O of 1 13.1. Construct a 99% confidence interval for the population meam Question 22, 9.3.9 Homework: Ch9 HW One Sample Confidence Intervals Parti of2 A simple random sample ot size n 40 is drawn from a populatiom The sample mean is found to be x 121.8 and the sample standard deviation is tound to be s The lower bound is (Round to two decimal places as needed.) HW Score: 75%, 18 of 24 points O Points: O of 1 13.1. Construct a 99% confidence interval for the population meam