Question 1) Find the critical value to for the confidence level c = 0.98 and sample size n = 26. Click the icon to view the t-distribution table. t-Distribution Table to =(Round to the nearest thousandth as needed.) Level of confidence, c 0.80 0.90 0.95 0.98 0.99 One tail, a 0.10 0.05 0.025 0.01 0.005 d.f Two tails, a 0.20 0.10 0.05 0.02 0.01 d.f. 3.078 6.314 12.706 31.821 63.657 1.886 2.920 4.303 6.965 9.925 1.638 2.353 3.182 4.541 5.841 4 1.533 2.132 2.776 3.747 4.604 UIDWA 5 1.476 2.015 2.571 3.365 4.032 6 1.440 1.943 2.447 3.143 3.70 7 1.415 1.895 2.365 2.998 3.49 8 1.397 1.860 2.306 2.896 3.355 9 1.383 1.833 2.262 2.821 3.250 9 10 1.372 1.812 2.228 2.764 3.169 10 11 1.363 1.796 2.201 2.718 3.106 11 12 1.356 1.782 2.179 2.681 3.055 12 13 1.350 1.771 2.160 2.650 3.012 13 14 1.345 1.761 2.145 2.624 2.97 14 15 1.341 1.753 2.131 2.602 2.947 15 16 1.337 1.746 2.120 2.583 2.921 16 17 1.333 1.740 2.110 2.567 2.898 17 18 1.330 1.734 2.101 2.552 2.878 18 19 1.328 1.729 2.093 2.539 2.861 19 20 1.325 1.725 2.086 2.528 2.845 20 21 1.323 1.721 2.080 2.518 2.831 21 . 22 1.321 1.717 2.074 2.508 2.819 22 23 1.319 1.714 2.069 2.500 2.807 23 Question 2) Construct the indicated confidence interval for the population mean u using the t-distribution. Assume the population is normally distributed. C= 0.99, x = 13.1, s=2.0, n=7 (Round to one decimal place as needed.)