I DID NOT GET HOW TO SOLVE THE SECOND PART Question 9: xx = n= s= Part 1 90%CI= 17 7 3.8 2.790921821 14.21 < < 19.79 40.15 7 10.5 14.71339882 25.44 < < 54.86 Question 10: xx = n= s= 99%CI= Question 12: 2.58 0.98 2.48 2.38 1.98 1.28 1.03 2.73 2.08 1.93 2.191 18 0.606 s= CI 0.2485 Lower Confidence bound > Upper Confidence bound > 2.38 3.08 2.43 1.78 2.78 2.33 2.33 2.88 xx = n= 1.943 2.44 Question 19: p= Part 1 E= Z/2 n= 0.21 0.04 1.65 283 Part 2 n= 426 Part 4 0f 4 95% confidence interval is smallersince there is less of a chance that mean is contained in the interval as opposed to 99% erval as opposed to 99% Confidence interval I DID NOT GET HOW TO SOLVE THE SECOND PART Question 9: xx = n= s= Part 1 90%CI= 17 7 3.8 2.790921821 14.21 < < 19.79 40.15 7 10.5 14.71339882 25.44 < < 54.86 Question 10: xx = n= s= 99%CI= Question 12: 2.58 0.98 2.48 2.38 1.98 1.28 1.03 2.73 2.08 1.93 2.191 18 0.606 s= CI 0.2485 Lower Confidence bound > Upper Confidence bound > 2.38 3.08 2.43 1.78 2.78 2.33 2.33 2.88 xx = n= 1.943 2.44 Question 19: p= Part 1 E= Z/2 n= 0.21 0.04 1.65 283 Part 2 n= 426 Part 4 0f 4 95% confidence interval is smallersince there is less of a chance that mean is contained in the interval as opposed to 99% erval as opposed to 99% Confidence interval