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O Math 115 (Fall 2021) Natasha O'Brien-Menzsa & | Homework: Ho... Question 13, 10.3.1 HW Score: 77.08%, 12.33 of 16 points III Part 2 of 3 Points: 0.33 of 1 III Reply. Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.05 level of significance with 20 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the o = 0.01 level of significance based on a sample size of n = 15. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a - 0.05 level of significance based on a sample size of n = 19. Click here to view the t-Distribution Area in Right Tail. O (a) terit = + 1.725 (Round to three decimal places as needed.) (b) torit = (Round to three decimal places as needed.) XX 1-Distribution Area in Right Tail df 0.25 (.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0905 1.000 df 1.376 1.963 3.078 6.314 0.816 12.706 15.894 1.061 31.821 1.386 63.657 127.321 1.886 2.920 318.309 4.303 636.619 0.765 4.849 0.978 6.965 9.925 1.250 2.353 14.089 22 327 1.638 3.182 3.482 31.599 0.741 0.941 4.541 5.841 1.190 7.453 10 215 1.533 2.132 2.776 12.924 3.747 4.604 0.727 5.598 0.920 1.156 7.173 1.476 2015 2 571 2.757 3 365 8610 4.032 4.773 5893 0.718 6.869 0.90 1.134 1.440 1.943 2 447 2.612 3.143 3.707 4.317 0.711 5.208 0.896 1.119 1.415 5.959 1.895 2 365 2517 2 998 3.499 0.706 4.029 4.785 0.889 1.108 1.397 5 408 1860 306 2.449 2.896 3.355 3833 4.501 0.703 5041 0.883 1.100 1.383 1.833 2.262 2.398 2.821 3.250 3.690 10 4.297 0.700 4.781 0.87 1.093 1.372 1.812 2.228 2 359 2.764 3.169 3.581 4 144 4.587 10 11 0.697 0.876 1.088 1.363 1.796 2.201 2.328 2.718 3.106 3.497 4.025 4 437 12 0.695 0.873 11 1.083 1.356 1.782 2.179 2.303 2.681 3.055 3.428 13 3.930 4318 12 0.694 0.870 1.079 1.350 1.771 2.160 2.282 2.650 3.012 3.372 3.852 4 221 14 0.692 0.868 1.076 1.345 1.761 2. 145 2264 2 624 2.977 3.326 3.787 4 140 15 0.691 0.866 1.074 1.341 1.753 2.131 2.249 2.602 2.947 3.286 3733 4073 15 16 0.690 0.865 1.071 1.337 1.746 2.120 2 235 2 583 2.921 3.252 3686 4.015 16 17 0.689 0.863 1.069 1.333 1.740 2.1 10 2.224 2.567 2.898 3.222 3.646 3.965 17 18 0.688 0.862 1.067 1.330 1.734 2.101 2.214 2.552 2.878 3.197 3.610 3.922 18 0.68 0.861 1.066 1.328 1.729 2.093 2.205 2539 2.861 3.174 3579 3.88 19 0.687 0.860 1.004 1.325 1.725 2 086 2.197 2.528 2.845 3.153 3.552 3.850 20 0.686 0.859 1.063 1.323 1.721 2.080 2.189 2518 2.831 3.135 3 527 3.819 0.68 0858 1.061 1.321 1.717 2.074 2.183 2.508 2.819 3.119 3 505 3.792 22 0.685 0.858 1.060 1.319 1.714 2 069 2.177 2 500 2 807 3.104 3 485 3.768 23 0.685 0857 1.059 1.318 1.711 2064 2.172 2492 2.797 3.091 3 467 3.745 0.684 0.856 1.058 1.316 1.708 2.060 2.167 2.485 2 787 3.078 3450 3.725 25 0.684 0.856 1.05 1.315 1.706 2.056 2.162 2479 2.779 3.067 3435 3.707 0.68 0.855 L.057 1.314 1.703 2.052 2.158 2.473 2.771 3.057 3.421 3.690 1.313 1.701 2.048 2.154 2 467 2.763 3.047 3.408 3.674 0.683 0.855 1.056 1.055 1.311 1.699 2.045 2.150 2 462 2.756 3.038 3.396 3.659 0.683 0.854 2457 2.750 3.030 3.385 3.646 30 0.683 0.854 1.055 1.310 1.697 2.042 2.147 3.375 3.633 31 0.682 0.853 1.054 1.309 1.696 2040 2.144 2.453 2.744 3.02 3.015 3.365 3.622 32 0.682 0.853 1.054 1.309 1.694 2.037 2.141 2 449 2.73 2.035 2.138 2.445 2.733 3.008 3.356 3.611 33 33 0.68 0.853 1.053 1.308 1.692 1.691 2.032 2.136 2441 2.728 3.002 3.348 3.601 34 0.6.82 0.852 1.052 1.307 0.852 1.052 1.306 1.690 2.030 2.133 2.438 2.724 2.996 3.34 3.59 35 35 0.682 2.028 2.131 2434 2.719 2.990 3.33 3.582 36 0.681 0.852 1.052 1.306 1.688 2.431 2.715 2 985 3.326 3.574 37 0.681 0.851 1.051 1.305 1.687 2.026 2.129 2 429 2.712 2.980 3.319 3.566 38 0.681 0.851 1.051 1.304 1.686 2.024 2.127 2 426 2.708 2.976 3.313 3.558 39 39 0.681 0.851 1.050 1.304 1.685 2.023 2.125 40 2.704 2.97 3.551 40 2.123 2.423 3 307 0.681 0.851 1.050 1.303 1.684 2.021 2.678 2.937 3.49% 50 2.403 3.261 50 0.679 0.849 1.047 1.299 1.676 2.00 2.109 3.460 60 1.671 2.000 2.099 2.390 2.660 2.915 3.23 60 0.679 0.848 1.045 1.296 2.648 2 899 3.211 3.435 70 70) 0.67 0.847 1.044 1.294 1.667 1 994 2.093 2 381 1.195 3.416 80 2.639 2.887 80 0.67 0.846 1.043 1.292 1.664 1990 2.088 2.374 3.183 3.40 90 1.291 1.662 L987 2.08 2.368 2.63 2 878 0.677 10.846 1.042 2.87 3.174 3.390 100 2.626 100 D.677 0.845 1.042 1290 1.660 1.984 2.081 2.364 3.098 3.300 1090 0.675 0.842 1.037 1 282 1.646 1.962 2.056 2.330 2 581 2.813 3.090 3.291 z 1090 1.282 1.645 1.960 2.054 2 326 2.576 2 807 0.674 0.842 1.036 df 0.02 0.01 0.005 0.0025 0.001 0.0005 df 0.25 0.20 0.15 0.10 0.05 0.025 O Reply.. III O K