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A survey was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x = 14.7 books and s = 16.6 books. Construct a 95% confidence interval for the mean number of books people read. Interpret the interval. 2 Click the icon to view the table of critical t-values. Construct a 95% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) O A. If repeated samples are taken, 95% of them will have a sample mean between and O B. There is a 95% probability that the true mean number of books read is between and O C. There is 95% confidence that the population mean number of books read is between and

A survey was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x = 14.7 books and s = 16.6 books. Construct a 95% confidence interval for the mean number of books people read. Interpret the interval. 2 Click the icon to view the table of critical t-values. Construct a 95% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) O A. If repeated samples are taken, 95% of them will have a sample mean between and O B. There is a 95% probability that the true mean number of books read is between and O C. There is 95% confidence that the population mean number of books read is between and

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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Area in right tail t-Distribution Area in Right Tail Degrees of Freedom (0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 1.000 0.816 0.765 0.741 0.727 1.376 1.061 0.978 0.941 0.920 1.963 1.386 1.250 1.190 1.156 3.078 1.886 1.638 1.533 1.476 6.314 2.920 2.353 2.132 2.015 15.894 4.849 3.482 2.999 2.757 31.821 6.965 4.541 3.747 3.365 63.657 9.925 5.841 4.604 4.032 127.32 1 14.089 7453 5.598 4.773 1 12.706 4.303 3.182 2.776 2.571 318.309 636.619 22.327 10.215 Z173 5.893 31.599 12.924 8.610 6.869 0.718 0.711 0.706 0.703 0.700 0.906 0.896 0.889 0,883 0.879 1.134 1.119 1.108 1.100 1.093 1.440 1.415 1.397 1.383 1.372 1.943 1.895 1.860 1.833 1.812 2.447 2.365 2.306 2.262 2.228 2.612 2.517 2.449 2.398 2.359 3.143 2.998 2.896 2.821 2.764 3.707 3.499 3.355 3.250 3.169 4.317 4.029 3.833 3.690 3.581 5.208 4.785 4.501 4.297 4.144 5.959 5.408 5.041 4.781 4.587 8 10 11 12 13 0.697 0.695 0.694 0.692 0.691 0.876 0.873 0.870 0.868 0,866 1.088 1.083 1.079 1.076 1.074 1.363 1.356 1.350 1.345 1.341 1.796 1.782 1.771 1.761 1.753 2.201 2.179 2.160 2.145 2.131 2.328 2.303 2.282 2.264 2.249 2.718 2.681 2.650 2.624 2.602 3.106 3.055 3.012 2.977 2.947 3.497 3.428 3.372 3.326 3.286 4.025 3.930 3.852 3.787 3.733 4.437 4.318 4.221 4.140 4.073 14 15 0.690 0,689 0.688 0.688 0.687 0.865 0,863 0.862 0,861 0,860 1.071 1.069 1.067 1.066 1.064 1.337 1.333 1.330 1.328 1.325 1.746 1.740 1.734 1.729 1.725 2.120 2.110 2.101 2.093 2.086 2.235 2.224 2.214 2.205 2.197 2.583 2.567 2.552 2.539 2.528 2.921 2.898 2.878 2.861 2.845 3.252 3.222 3.197 3.174 3.153 3.686 3.646 3.610 3.579 3.552 4.015 3.965 3.922 3.883 3.850 16 17 18 19 20 0.686 0.686 0.685 0,685 0.684 1.063 1.061 1.060 1.059 1.058 2.080 2.074 2.069 2.064 2.060 2.189 2.183 2.177 2.172 2.167 2.518 2.508 2.500 2.492 2.485 3.135 3.119 3.104 3.091 3.078 3.819 3.792 3.768 3.745 3.725 21 22 0,859 0,858 0.858 0.857 0.856 1.323 1.321 1.319 1.318 1.316 1.721 1.717 1.714 1.711 1.708 2.831 2.819 2.807 2.797 2.787 3.527 3.505 3.485 3.467 3.450 24 0.684 0.684 0.683 0.683 0.683 1.058 1.057 1.056 1.055 1.055 1.706 1.703 1.701 1.699 1.697 2.056 2.052 2.048 2.045 2.042 2.479 2.473 2.467 2.462 2.457 2.779 2.771 2.763 2.756 2.750 3.067 3.057 3.047 3.038 3.030 3.435 3.421 3.408 3.396 3.385 26 0.856 0.855 0.855 0.854 0.854 1.315 1.314 1.313 1.311 1.310 2.162 2.158 2.154 2.150 2.147 3.707 3.690 3.674 3.659 3.646 27 29 30 31 32 33 34 35 0.682 0.682 0.682 0.682 0.682 0.853 1.054 0.853 1.054 0.853 1.053 0.852 1.052 0.852 1.052 1.309 1.309 1.308 1.307 1.306 1.696 1.694 1.692 1.691 1.690 2.040 2.037 2.035 2.032 2.030 2.144 2.141 2.138 2.136 2.133 2.453 2.449 2.445 2.441 2.438 2.744 2.738 2.733 2.728 2.724 3.022 3.015 3.008 3.002 2.996 3.375 3.365 3.356 3.348 3.340 3.633 3.622 3.611 3.601 3.591 36 37 38 39 40 0.681 0.681 0.681 0.681 0.681 0.852 0.851 0.851 0.851 0.851 1.052 1.051 1.051 1.050 1.050 1.306 1.305 1.304 1.304 1.303 1.688 1.687 1.686 1.685 1.684 2.028 2.026 2.024 2.023 2.021 2.131 2.129 2.127 2.125 2.123 2.434 2.431 2.429 2.426 2.423 2.719 2.715 2.712 2.706 2.704 2.990 2.985 2.980 2.976 2.971 3.333 3.326 3.319 3.313 3.307 3.582 3.574 3.566 3.558 3.551 50 60 70 80 90 0.679 0.679 0.678 0.678 0.677 0.849 0.848 0.847 0.846 0.846 1.047 1.045 1.044 1.043 1.042 1.299 1.296 1.294 1.292 1.291 1.676 1.671 1.667 1.664 1.662 2.009 2.000 1.994 1.990 1.987 2.109 2.099 2.093 2.088 2.084 2.403 2.390 2.381 2.374 2.368 2.678 2.660 2.648 2.639 2.632 2.937 2.915 2.899 2.887 2.878 3.261 3.232 3.211 3.195 3.183 3.496 3.460 3.435 3.416 3.402 100 1000 0.677 0.675 0.674 0.845 0.842 0.842 1.042 1.037 1.036 1.290 1.282 1.282 1.660 1.646 1.645 1.984 1.962 1.960 2.081 2.056 2.054 2.364 2.330 2.326 2.626 2.581 2.576 2.871 2.813 2.807 3.174 3.098 3.090 3.390 3.300 3.291 Degrees of 0.25 Freedom 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 t-Distribution Area in Right Tail
Transcribed Image Text:Area in right tail t-Distribution Area in Right Tail Degrees of Freedom (0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 1.000 0.816 0.765 0.741 0.727 1.376 1.061 0.978 0.941 0.920 1.963 1.386 1.250 1.190 1.156 3.078 1.886 1.638 1.533 1.476 6.314 2.920 2.353 2.132 2.015 15.894 4.849 3.482 2.999 2.757 31.821 6.965 4.541 3.747 3.365 63.657 9.925 5.841 4.604 4.032 127.32 1 14.089 7453 5.598 4.773 1 12.706 4.303 3.182 2.776 2.571 318.309 636.619 22.327 10.215 Z173 5.893 31.599 12.924 8.610 6.869 0.718 0.711 0.706 0.703 0.700 0.906 0.896 0.889 0,883 0.879 1.134 1.119 1.108 1.100 1.093 1.440 1.415 1.397 1.383 1.372 1.943 1.895 1.860 1.833 1.812 2.447 2.365 2.306 2.262 2.228 2.612 2.517 2.449 2.398 2.359 3.143 2.998 2.896 2.821 2.764 3.707 3.499 3.355 3.250 3.169 4.317 4.029 3.833 3.690 3.581 5.208 4.785 4.501 4.297 4.144 5.959 5.408 5.041 4.781 4.587 8 10 11 12 13 0.697 0.695 0.694 0.692 0.691 0.876 0.873 0.870 0.868 0,866 1.088 1.083 1.079 1.076 1.074 1.363 1.356 1.350 1.345 1.341 1.796 1.782 1.771 1.761 1.753 2.201 2.179 2.160 2.145 2.131 2.328 2.303 2.282 2.264 2.249 2.718 2.681 2.650 2.624 2.602 3.106 3.055 3.012 2.977 2.947 3.497 3.428 3.372 3.326 3.286 4.025 3.930 3.852 3.787 3.733 4.437 4.318 4.221 4.140 4.073 14 15 0.690 0,689 0.688 0.688 0.687 0.865 0,863 0.862 0,861 0,860 1.071 1.069 1.067 1.066 1.064 1.337 1.333 1.330 1.328 1.325 1.746 1.740 1.734 1.729 1.725 2.120 2.110 2.101 2.093 2.086 2.235 2.224 2.214 2.205 2.197 2.583 2.567 2.552 2.539 2.528 2.921 2.898 2.878 2.861 2.845 3.252 3.222 3.197 3.174 3.153 3.686 3.646 3.610 3.579 3.552 4.015 3.965 3.922 3.883 3.850 16 17 18 19 20 0.686 0.686 0.685 0,685 0.684 1.063 1.061 1.060 1.059 1.058 2.080 2.074 2.069 2.064 2.060 2.189 2.183 2.177 2.172 2.167 2.518 2.508 2.500 2.492 2.485 3.135 3.119 3.104 3.091 3.078 3.819 3.792 3.768 3.745 3.725 21 22 0,859 0,858 0.858 0.857 0.856 1.323 1.321 1.319 1.318 1.316 1.721 1.717 1.714 1.711 1.708 2.831 2.819 2.807 2.797 2.787 3.527 3.505 3.485 3.467 3.450 24 0.684 0.684 0.683 0.683 0.683 1.058 1.057 1.056 1.055 1.055 1.706 1.703 1.701 1.699 1.697 2.056 2.052 2.048 2.045 2.042 2.479 2.473 2.467 2.462 2.457 2.779 2.771 2.763 2.756 2.750 3.067 3.057 3.047 3.038 3.030 3.435 3.421 3.408 3.396 3.385 26 0.856 0.855 0.855 0.854 0.854 1.315 1.314 1.313 1.311 1.310 2.162 2.158 2.154 2.150 2.147 3.707 3.690 3.674 3.659 3.646 27 29 30 31 32 33 34 35 0.682 0.682 0.682 0.682 0.682 0.853 1.054 0.853 1.054 0.853 1.053 0.852 1.052 0.852 1.052 1.309 1.309 1.308 1.307 1.306 1.696 1.694 1.692 1.691 1.690 2.040 2.037 2.035 2.032 2.030 2.144 2.141 2.138 2.136 2.133 2.453 2.449 2.445 2.441 2.438 2.744 2.738 2.733 2.728 2.724 3.022 3.015 3.008 3.002 2.996 3.375 3.365 3.356 3.348 3.340 3.633 3.622 3.611 3.601 3.591 36 37 38 39 40 0.681 0.681 0.681 0.681 0.681 0.852 0.851 0.851 0.851 0.851 1.052 1.051 1.051 1.050 1.050 1.306 1.305 1.304 1.304 1.303 1.688 1.687 1.686 1.685 1.684 2.028 2.026 2.024 2.023 2.021 2.131 2.129 2.127 2.125 2.123 2.434 2.431 2.429 2.426 2.423 2.719 2.715 2.712 2.706 2.704 2.990 2.985 2.980 2.976 2.971 3.333 3.326 3.319 3.313 3.307 3.582 3.574 3.566 3.558 3.551 50 60 70 80 90 0.679 0.679 0.678 0.678 0.677 0.849 0.848 0.847 0.846 0.846 1.047 1.045 1.044 1.043 1.042 1.299 1.296 1.294 1.292 1.291 1.676 1.671 1.667 1.664 1.662 2.009 2.000 1.994 1.990 1.987 2.109 2.099 2.093 2.088 2.084 2.403 2.390 2.381 2.374 2.368 2.678 2.660 2.648 2.639 2.632 2.937 2.915 2.899 2.887 2.878 3.261 3.232 3.211 3.195 3.183 3.496 3.460 3.435 3.416 3.402 100 1000 0.677 0.675 0.674 0.845 0.842 0.842 1.042 1.037 1.036 1.290 1.282 1.282 1.660 1.646 1.645 1.984 1.962 1.960 2.081 2.056 2.054 2.364 2.330 2.326 2.626 2.581 2.576 2.871 2.813 2.807 3.174 3.098 3.090 3.390 3.300 3.291 Degrees of 0.25 Freedom 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 t-Distribution Area in Right Tail
2. A survey was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x = 14.7 books and s = 16.6 books. Construct a 95% confidence interval for the mean number of books people read. Interpret the interval. 2 Click the icon to view the table of critical t-values. Construct a 95% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. If repeated samples are taken, 95% of them will have a sample mean between and O B. There is a 95% probability that the true mean number of books read is between and O C. There is 95% confidence that the population mean number of books read is between and 2: Table of Critical t-Values
Transcribed Image Text:2. A survey was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x = 14.7 books and s = 16.6 books. Construct a 95% confidence interval for the mean number of books people read. Interpret the interval. 2 Click the icon to view the table of critical t-values. Construct a 95% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. If repeated samples are taken, 95% of them will have a sample mean between and O B. There is a 95% probability that the true mean number of books read is between and O C. There is 95% confidence that the population mean number of books read is between and 2: Table of Critical t-Values
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