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In a random sample of 100 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3464 with a standard deviation of $2569. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Click the icon to view the t-distribution table. The lower bound is $. (Round to the nearest dollar as needed.) The upper bound is $. (Round to the nearest dollar as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. OA. One can be 90% confident that the mean additional tax owed is less than the lower bound. OB. One can be 90% confident that the mean additional tax owed is between the lower and upper bounds. OC. One can be 90% confident that the mean additional tax owed is greater than the upper bound.

In a random sample of 100 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3464 with a standard deviation of $2569. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Click the icon to view the t-distribution table. The lower bound is $. (Round to the nearest dollar as needed.) The upper bound is $. (Round to the nearest dollar as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. OA. One can be 90% confident that the mean additional tax owed is less than the lower bound. OB. One can be 90% confident that the mean additional tax owed is between the lower and upper bounds. OC. One can be 90% confident that the mean additional tax owed is greater than the upper bound.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In a random sample of 100 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3464 with a standard deviation of $2569. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Click the icon to view the t-distribution table. The lower bound is $ (Round to the nearest dollar as needed.) The upper bound is $ (Round to the nearest dollar as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. A. One can be 90% confident that the mean additional tax owed is less than the lower bound. B. One can be 90% confident that the mean additional tax owed is between the lower and upper bounds. C. One can be 90% confident that the mean additional tax owed is greater than the upper bound.
Transcribed Image Text:In a random sample of 100 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3464 with a standard deviation of $2569. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Click the icon to view the t-distribution table. The lower bound is $ (Round to the nearest dollar as needed.) The upper bound is $ (Round to the nearest dollar as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. A. One can be 90% confident that the mean additional tax owed is less than the lower bound. B. One can be 90% confident that the mean additional tax owed is between the lower and upper bounds. C. One can be 90% confident that the mean additional tax owed is greater than the upper bound.
1 2 3 df 4 5 t-Distribution 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 z 52 53 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 50 60 70 80 90 100 1000 B Area in Right Tail 0.25 0.816 0.765 0.741 0.727 0.718 0.711 0.706 0.703 0.7 0.697 0.695 0.694 0.692 0.691 0.69 0.689 0.688 0.688 0.687 0.686 0.686 0.685 0.685 0.684 0.684 0.684 0.683 0.683 0.683 0.682 0.682 0.682 0.682 0.682 0.681 0.681 0.681 0.681 0.681 0.679 0.679 0.678 0.678 0.677 0.677 0.675 0.674 C 0.2 1.376 1.061 0.978 0.941 0.92 0.906 0.896 0.889 0.883 0.879 0.876 0.873 0.87 0.868 0.866 0.865 0.863 0.862 0.861 0.86 0.859 0.858 0.858 0.857 0.856 0.856 0.855 0.855 0.854 0.854 0.853 0.853 0.853 0.852 0.852 0.852 0.851 0.851 0.851 0.851 0.849 0.848 0.847 0.846 0.846 0.845 0.842 0.842 D 0.15 1.963 1.386 1.25 1.19 1.156 1.134 1.119 1.108 1.1 1.093 1.088 1.083 1.079 1.076 1.074 1.071 1.069 1.067 1.066 1.064 1.063 1.061 1.06 1.059 1.058 1.058 1.057 1.056 1.055 1.055 1.054 1.054 1.053 1.052 1.052 1.052 1.051 1.051 1.05 1.05 1.047 1.045 1.044 1.043 1.042 1.042 1.037 1.036 E 0.1 3.078 1.886 1.638 1.533 1.476 1.44 1.415 1.397 1.383 1.372 1.363 1.356 1.35 1.345 1.341 1.337 1.333 1.33 1.328 1.325 1.323 1.321 1.319 1.318 1.316 1.315 1.314 1.313 1.311 1.31 1.309 1.309 1.308 1.307 1.306 1.306 1.305 1.304 1.304 1.303 1.299 1.296 1.294 1.292 1.291 1.29 1.282 1.282 F 0.05 6.314 2.92 2.353 2.132 2.015 1.943 1.895 1.86 1.833 1.812 1.796 1.782 1.771 1.761 1.753 1.746 1.74 1.734 1.729 1.725 1.721 1.717 1.714 1.711 1.708 1.706 1.703 1.701 1.699 1.697 1.696 1.694 1.692 1.691 1.69 1.688 1.687 1.686 1.685 1.684 1.676 1.671 1.667 1.664 1.662 1.66 1.646 1.645 G 0.025 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 2.228 2.201 2.179 2.16 2.145 2.131 2.12 2.11 2.101 2.093 2.086 2.08 2.074 2.069 2.064 2.06 2.056 2.052 2.048 2.045 2.042 2.04 2.037 2.035 2.032 2.03 2.028 2.026 2.024 2.023 2.021 2.009 2 1.994 1.99 1.987 1.984 1.962 1.96 H 0.02 15.895 4.849 3.482 2.999 2.757 2.612 2.517 2.449 2.398 2.359 2.328 2.303 2.282 2.264 2.249 2.235 2.224 2.214 2.205 2.197 2.189 2.183 2.177 2.172 2.167 2.162 2.158 2.154 2.15 2.147 2.144 2.141 2.138 2.136 2.133 2.131 2.129 2.127 2.125 2.123 2.109 2.099 2.093 2.088 2.084 2.081 2.056 2.054 I 0.01 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 2.764 2.718 2.681 2.65 2.624 2.602 2.583 2.567 2.552 2.539 2.528 2.518 2.508 2.5 2.492 2.485 2.479 2.473 2.467 2.462 2.457 2.453 2.449 2.445 2.441 2.438 2.434 2.431 2.429 2.426 2.423 2.403 2.39 2.381 2.374 2.368 2.364 2.33 2.326 0.005 63.657 9.925 5.841 4.604 4.032 3.707 3.499 3.355 3.25 3.169 3.106 3.055 3.012 2.977 2.947 2.921 2.898 2.878 2.861 2.845 2.831 2.819 2.807 2.797 2.787 2.779 2.771 2.763 2.756 2.75 2.744 2.738 2.733 2.728 2.724 2.719 2.715 2.712 2.708 2.704 2.678 2.66 2.648 2.639 2.632 2.626 2.581 2.576 K L M 0.0005 0.0025 0.001 127.321 318.309 636.619 14.089 22.327 31.599 7.453 10.215 12.924 5.598 7.173 5.893 8.61 6.869 4.773 4.317 5.208 5.959 4.029 4.785 5.408 4.501 5.041 3.833 3.69 4.297 4.781 3.581 4.144 4.587 3.497 4.025 4.437 3.428 3.93 4.318 3.372 3.852 4.221 3.326 3.787 4.14 3.286 3.733 4.073 3.252 3.686 4.015 3.222 3.646 3.965 3.197 3.61 3.922 3.174 3.579 3.883 3.153 3.552 3.85 3.135 3.527 3.819 3.119 3.505 3.792 3.104 3.485 3.768 3.091 3.467 3.745 3.078 3.45 3.725 3.067 3.435 3.707 3.057 3.421 3.69 3.047 3.408 3.674 3.038 3.396 3.659 3.03 3.385 3.646 3.022 3.375 3.633 3.015 3.365 3.622 3.008 3.356 3.611 3.002 3.348 3.601 2.996 3.34 3.591 2.99 3.333 3.582 2.985 3.326 3.574 2.98 3.319 3.566 2.976 3.313 3.558 2.971 3.307 3.551 2.937 3.261 3.496 2.915 3.232 3.46 2.899 3.211 3.435 2.887 3.195 3.416 2.878 3.183 3.402 2.871 3.174 3.39 2.813 3.098 3.3 2.807 3.09 3.291 N O P Q
Transcribed Image Text:1 2 3 df 4 5 t-Distribution 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 z 52 53 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 50 60 70 80 90 100 1000 B Area in Right Tail 0.25 0.816 0.765 0.741 0.727 0.718 0.711 0.706 0.703 0.7 0.697 0.695 0.694 0.692 0.691 0.69 0.689 0.688 0.688 0.687 0.686 0.686 0.685 0.685 0.684 0.684 0.684 0.683 0.683 0.683 0.682 0.682 0.682 0.682 0.682 0.681 0.681 0.681 0.681 0.681 0.679 0.679 0.678 0.678 0.677 0.677 0.675 0.674 C 0.2 1.376 1.061 0.978 0.941 0.92 0.906 0.896 0.889 0.883 0.879 0.876 0.873 0.87 0.868 0.866 0.865 0.863 0.862 0.861 0.86 0.859 0.858 0.858 0.857 0.856 0.856 0.855 0.855 0.854 0.854 0.853 0.853 0.853 0.852 0.852 0.852 0.851 0.851 0.851 0.851 0.849 0.848 0.847 0.846 0.846 0.845 0.842 0.842 D 0.15 1.963 1.386 1.25 1.19 1.156 1.134 1.119 1.108 1.1 1.093 1.088 1.083 1.079 1.076 1.074 1.071 1.069 1.067 1.066 1.064 1.063 1.061 1.06 1.059 1.058 1.058 1.057 1.056 1.055 1.055 1.054 1.054 1.053 1.052 1.052 1.052 1.051 1.051 1.05 1.05 1.047 1.045 1.044 1.043 1.042 1.042 1.037 1.036 E 0.1 3.078 1.886 1.638 1.533 1.476 1.44 1.415 1.397 1.383 1.372 1.363 1.356 1.35 1.345 1.341 1.337 1.333 1.33 1.328 1.325 1.323 1.321 1.319 1.318 1.316 1.315 1.314 1.313 1.311 1.31 1.309 1.309 1.308 1.307 1.306 1.306 1.305 1.304 1.304 1.303 1.299 1.296 1.294 1.292 1.291 1.29 1.282 1.282 F 0.05 6.314 2.92 2.353 2.132 2.015 1.943 1.895 1.86 1.833 1.812 1.796 1.782 1.771 1.761 1.753 1.746 1.74 1.734 1.729 1.725 1.721 1.717 1.714 1.711 1.708 1.706 1.703 1.701 1.699 1.697 1.696 1.694 1.692 1.691 1.69 1.688 1.687 1.686 1.685 1.684 1.676 1.671 1.667 1.664 1.662 1.66 1.646 1.645 G 0.025 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 2.228 2.201 2.179 2.16 2.145 2.131 2.12 2.11 2.101 2.093 2.086 2.08 2.074 2.069 2.064 2.06 2.056 2.052 2.048 2.045 2.042 2.04 2.037 2.035 2.032 2.03 2.028 2.026 2.024 2.023 2.021 2.009 2 1.994 1.99 1.987 1.984 1.962 1.96 H 0.02 15.895 4.849 3.482 2.999 2.757 2.612 2.517 2.449 2.398 2.359 2.328 2.303 2.282 2.264 2.249 2.235 2.224 2.214 2.205 2.197 2.189 2.183 2.177 2.172 2.167 2.162 2.158 2.154 2.15 2.147 2.144 2.141 2.138 2.136 2.133 2.131 2.129 2.127 2.125 2.123 2.109 2.099 2.093 2.088 2.084 2.081 2.056 2.054 I 0.01 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 2.764 2.718 2.681 2.65 2.624 2.602 2.583 2.567 2.552 2.539 2.528 2.518 2.508 2.5 2.492 2.485 2.479 2.473 2.467 2.462 2.457 2.453 2.449 2.445 2.441 2.438 2.434 2.431 2.429 2.426 2.423 2.403 2.39 2.381 2.374 2.368 2.364 2.33 2.326 0.005 63.657 9.925 5.841 4.604 4.032 3.707 3.499 3.355 3.25 3.169 3.106 3.055 3.012 2.977 2.947 2.921 2.898 2.878 2.861 2.845 2.831 2.819 2.807 2.797 2.787 2.779 2.771 2.763 2.756 2.75 2.744 2.738 2.733 2.728 2.724 2.719 2.715 2.712 2.708 2.704 2.678 2.66 2.648 2.639 2.632 2.626 2.581 2.576 K L M 0.0005 0.0025 0.001 127.321 318.309 636.619 14.089 22.327 31.599 7.453 10.215 12.924 5.598 7.173 5.893 8.61 6.869 4.773 4.317 5.208 5.959 4.029 4.785 5.408 4.501 5.041 3.833 3.69 4.297 4.781 3.581 4.144 4.587 3.497 4.025 4.437 3.428 3.93 4.318 3.372 3.852 4.221 3.326 3.787 4.14 3.286 3.733 4.073 3.252 3.686 4.015 3.222 3.646 3.965 3.197 3.61 3.922 3.174 3.579 3.883 3.153 3.552 3.85 3.135 3.527 3.819 3.119 3.505 3.792 3.104 3.485 3.768 3.091 3.467 3.745 3.078 3.45 3.725 3.067 3.435 3.707 3.057 3.421 3.69 3.047 3.408 3.674 3.038 3.396 3.659 3.03 3.385 3.646 3.022 3.375 3.633 3.015 3.365 3.622 3.008 3.356 3.611 3.002 3.348 3.601 2.996 3.34 3.591 2.99 3.333 3.582 2.985 3.326 3.574 2.98 3.319 3.566 2.976 3.313 3.558 2.971 3.307 3.551 2.937 3.261 3.496 2.915 3.232 3.46 2.899 3.211 3.435 2.887 3.195 3.416 2.878 3.183 3.402 2.871 3.174 3.39 2.813 3.098 3.3 2.807 3.09 3.291 N O P Q
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