E Homework: Chg HW one Sample Confidence Intervals ( Question 15, 9.2.19 > HW Score: 92- 98'3'6. 22.56 of 24 polnls Fan 4 (IfEr @ Points: 0.56 of1 A simple random sample of size n is drawn The sample mean, i, ls found to he 1? B. and the sample standard deviation, 5. is found to be 4.6. 5 Click the icon to View the table of areas under the tidisln'bulion. (a) Construct a 95% condence interval about u ilthe sample size, n, is 34 Lower bound: 16.19 ; Upper pound 19.41 (Use ascending order Round to two decimal places as needed.) (b) Construct a 95% condence interval aoout p ifthe sample size. n. is 51 Lower bound: 15,51 ; Upper pound 19,09 (Use ascending order. Round to two decrmal places as needed.) How does increasing the sample size affect the margin oienor. E? A. The margin of error does not change. '3' B. The margin of error decreases, C. The margin of error increases (1:) Construct a 99% condence interval about u ilthe sample size, n, is 34 Lower bound: ; Upper pound (Use ascending order. Round to two decrmal places as needed.)