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A random sample of 1026 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1026 adults surveyed, 515 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p= 0.502 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample Va simple random sample, the value of is. which is V 10, and the V less than or equal to 5% of the (Round to three decimal places as needed.)

A random sample of 1026 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1026 adults surveyed, 515 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p= 0.502 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample Va simple random sample, the value of is. which is V 10, and the V less than or equal to 5% of the (Round to three decimal places as needed.)

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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Standard normal distribution table (page 1) Standard normal distribution table (page 2) Area Area Standard Normal Distribution Standard Normal Distribution 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.0003 0.0005 0.0007 0.0003 0.0005 0.0003 0.0004 0.0006 0.0003 0.0004 0.0006 0.0003 0.0004 0.0006 0.5000 0.5398 0.5793 0.5080 0.5478 0.5871 0.6255 0.6628 0.5120 0.5517 0.5910 0.5160 0.5557 0.5948 0.6331 0.6700 0.5199 0.5596 0.5987 0.5279 0.5675 0.6064 0.5359 0.5753 0.6141 0.5239 -3.4 -3.3 -3.2 0.0003 0.0005 0.0006 0.0003 0.0004 0.0006 0.0003 0.0004 0.0005 0.0003 0.0004 0.0002 0.0003 0.0005 0.0 0.1 0.2 0.5040 0.5438 0.5832 0.6217 0.6591 0.5319 0.5714 0.5636 0.0007 0.0005 0.6026 0.6103 -3.1 -3.0 0.0010 0.0013 0.0009 0.0013 0.0009 0.0013 0.6179 0.6554 0.6406 0.6772 0.0008 0.0007 0.6293 0.0009 0.0012 0.0008 0.0012 0.0008 0.0011 0.0008 0.0011 0.0007 0.0010 0.3 0.4 0.6480 0.6844 0.6368 0.6443 0.6808 0.6517 0.0011 0.0010 0.6664 0.6736 0.6879 -29 -2.8 -2.7 -2.6 -2.5 0.0019 0.0026 0.0035 0.0047 0.0062 0.0018 0.0025 0.0034 0.0018 0.0024 0.0033 0.0017 0.0023 0.0032 0.0016 0.0023 0.0031 0.0016 0.0022 0.0030 0.0015 0.0021 0.0029 0.0039 0.0015 0.0021 0.0028 0.0014 0.0020 0.0027 0.0014 0.0019 0.0026 0.6915 0.7257 0.7580 0.7881 0.8159 0.6950 0.7291 0.7611 0.6985 0.7324 0.7642 0.7054 0.7389 0.7704 0.7995 0.7088 0.7422 0.7734 0.7123 0.7454 0.7764 0.7157 0.7486 0.7794 0.7224 0.7549 0.7852 0.8133 0.8389 0.5 0.6 0.7 0.7019 0.7357 0.7673 0.7190 0.7517 0.7823 0.8051 0.8315 0.0045 0.0040 0.0054 0.7910 0.7967 0.8238 0.8023 0.8289 0.0044 0.0043 0.0041 0.0038 0.0051 0.0037 0.0049 0.0036 0.0048 0.8 0.7939 0.8212 0.8078 0.8340 0.8106 0.0060 0.0059 0.0057 0.0055 0.0052 0.9 0.8186 0.8264 0.8365 0.0075 0.0099 0.0129 0.0073 0.0096 0.0125 0.0071 0.0094 0.0122 0.0068 0.0089 0.0066 0.0087 0.0113 0.0146 0.0188 0.8461 0.8686 0.8888 0.8577 0.8790 0.8980 0.8485 -2.4 -2.3 -2.2 0.0082 0.0107 0.0139 0.0080 0.0104 0.0136 0.0174 0.0222 0.0078 0.0102 0.0132 0.0069 0.0091 0.0119 0.0064 0.0084 0.0110 0.8508 0.8729 0.8925 0.8554 0.8770 0.8962 0.9131 0.9279 0.8621 0.8830 0.90 15 1.0 1.1 0.8413 0.8643 0.8849 0.8438 0.8665 0.8531 0.8749 0.8944 0.9115 0.9265 0.8599 0.8810 0.8997 0.8708 0.8907 0.0116 1.2 0.8869 -2.1 -2.0 0.0179 0.0228 0.0170 0.0217 0.0166 0.0212 0.0150 0.0192 0.9177 0.9319 0.0162 0.0158 0.0202 0.0154 0.0197 0.0143 0.0183 1.3 1.4 0.9032 0.9192 0.9049 0.9066 0.9082 0.9099 0.9251 0.9147 0.9162 0.0207 0.9207 0.9222 0.9236 0.9292 0.9306 -1.9 -1.8 -1.7 0.0287 0.0359 0.0446 0.0268 0.0336 0.0418 0.0256 0.0322 0.0233 0.0294 0.0367 0.0250 0.0244 1.5 1.6 1.7 1.8 1.9 0.9332 0.9452 0.9554 0.9345 0.0281 0.0351 0.0436 0.0274 0.0344 0.0427 0.0262 0.0329 0.0409 0.0314 0.0392 0.0239 0.0301 0.0375 0.9357 0.9474 0.9573 0.9370 0.9484 0.9582 0.9382 0.9495 0.9591 0.9394 0.9505 0.9599 0.9406 0.9515 0.9418 0.9525 0.9616 0.9429 0.9535 0.9625 0.9441 0.9545 0.9633 0.0307 0.0384 0.0475 0.0582 0.9463 0.9564 0.0401 0.9608 0.0537 0.0655 0.0516 0.0630 0.0505 0.0618 0.0455 0.0559 0.9706 0.9767 0.0526 0.0495 0.0606 0.0485 0.0594 0.0465 0.0571 0.9649 0.9719 0.9656 0.9726 0.9686 0.9750 0.9693 0.9756 -1.6 0.0548 0.0668 0.9641 0.9713 0.9664 0.9671 0.9738 0.9678 0.9699 -1.5 0.0643 0.9732 0.9744 0.9761 0.0793 0.0951 0.1131 0.0778 0.0934 0.1112 0.0764 0.0918 0.1093 0.0749 0.0901 0.1075 0.1271 0.1492 0.0721 0.0869 0.1038 0.0694 0.0838 0.1003 0.0681 0.0823 0.0985 0.9783 0.9830 0.9868 0.9793 0.9838 0.9875 0.9904 0.9927 0.9798 0.9842 0.9878 0.9808 0.9850 0.9884 0.9911 0.9932 0.0735 -1.4 -1.3 -1.2 0.0808 0.0968 0.1151 0.0708 0.0853 0.1020 2.0 2.1 2.2 0.9772 0.9821 0.9861 0.9778 0.9826 0.9864 0.9896 0.9920 0.9788 0.9834 0.9871 0.9803 0.9846 0.9881 0.9812 0.9854 0.9887 0.9817 0.9857 0.9890 0.0885 0.1056 -1.1 -1.0 0.1357 0.1587 0.1335 0.1562 0.1314 0.1539 0.1251 0.1469 0.1210 0.1423 0.1190 0.1401 2.3 2.4 0.9898 0.9922 0.9909 0.9931 0.9913 0.9934 0.9916 0.9936 0.1292 0.1230 0.1446 0.1170 0.1379 0.9893 0.9901 0.9925 0.9906 0.1515 0.9918 0.9929 0.1788 0.2061 0.2358 0.1762 0.2033 0.2327 0.1736 0.2005 0.2296 0.1685 0.1949 0.2236 0.1635 0.1894 0.2177 2.5 2.6 2.7 0.9938 0.9953 0.9965 0.0074 0.9946 0.9960 0.9970 -09 -0.8 -0.7 -0.6 0.1841 0.2119 0.2420 0.1814 0.2090 0.2389 0.2709 0.1711 0.1977 0.2266 0.2578 0.1660 0.1922 0.2206 0.2514 0.1611 0.1867 0.2148 0.9940 0.9955 0.9966 0.9941 0.9956 0.9943 0.9957 0.9945 0.9959 0.9969 0.9948 0.9961 0.9971 0.9949 0.9962 0.9972 0.9951 0.9963 0.9973 0.9952 0.9964 0.9974 0.9981 0.9967 0.9968 0.2743 0.2676. 0.2643 0.2611. 0.2546 0.2483 0.2451 2.8 0.0075 0.0976 0.0077 0.0077 0.0978 0.0070 0.0079 0.0080
Transcribed Image Text:Standard normal distribution table (page 1) Standard normal distribution table (page 2) Area Area Standard Normal Distribution Standard Normal Distribution 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.0003 0.0005 0.0007 0.0003 0.0005 0.0003 0.0004 0.0006 0.0003 0.0004 0.0006 0.0003 0.0004 0.0006 0.5000 0.5398 0.5793 0.5080 0.5478 0.5871 0.6255 0.6628 0.5120 0.5517 0.5910 0.5160 0.5557 0.5948 0.6331 0.6700 0.5199 0.5596 0.5987 0.5279 0.5675 0.6064 0.5359 0.5753 0.6141 0.5239 -3.4 -3.3 -3.2 0.0003 0.0005 0.0006 0.0003 0.0004 0.0006 0.0003 0.0004 0.0005 0.0003 0.0004 0.0002 0.0003 0.0005 0.0 0.1 0.2 0.5040 0.5438 0.5832 0.6217 0.6591 0.5319 0.5714 0.5636 0.0007 0.0005 0.6026 0.6103 -3.1 -3.0 0.0010 0.0013 0.0009 0.0013 0.0009 0.0013 0.6179 0.6554 0.6406 0.6772 0.0008 0.0007 0.6293 0.0009 0.0012 0.0008 0.0012 0.0008 0.0011 0.0008 0.0011 0.0007 0.0010 0.3 0.4 0.6480 0.6844 0.6368 0.6443 0.6808 0.6517 0.0011 0.0010 0.6664 0.6736 0.6879 -29 -2.8 -2.7 -2.6 -2.5 0.0019 0.0026 0.0035 0.0047 0.0062 0.0018 0.0025 0.0034 0.0018 0.0024 0.0033 0.0017 0.0023 0.0032 0.0016 0.0023 0.0031 0.0016 0.0022 0.0030 0.0015 0.0021 0.0029 0.0039 0.0015 0.0021 0.0028 0.0014 0.0020 0.0027 0.0014 0.0019 0.0026 0.6915 0.7257 0.7580 0.7881 0.8159 0.6950 0.7291 0.7611 0.6985 0.7324 0.7642 0.7054 0.7389 0.7704 0.7995 0.7088 0.7422 0.7734 0.7123 0.7454 0.7764 0.7157 0.7486 0.7794 0.7224 0.7549 0.7852 0.8133 0.8389 0.5 0.6 0.7 0.7019 0.7357 0.7673 0.7190 0.7517 0.7823 0.8051 0.8315 0.0045 0.0040 0.0054 0.7910 0.7967 0.8238 0.8023 0.8289 0.0044 0.0043 0.0041 0.0038 0.0051 0.0037 0.0049 0.0036 0.0048 0.8 0.7939 0.8212 0.8078 0.8340 0.8106 0.0060 0.0059 0.0057 0.0055 0.0052 0.9 0.8186 0.8264 0.8365 0.0075 0.0099 0.0129 0.0073 0.0096 0.0125 0.0071 0.0094 0.0122 0.0068 0.0089 0.0066 0.0087 0.0113 0.0146 0.0188 0.8461 0.8686 0.8888 0.8577 0.8790 0.8980 0.8485 -2.4 -2.3 -2.2 0.0082 0.0107 0.0139 0.0080 0.0104 0.0136 0.0174 0.0222 0.0078 0.0102 0.0132 0.0069 0.0091 0.0119 0.0064 0.0084 0.0110 0.8508 0.8729 0.8925 0.8554 0.8770 0.8962 0.9131 0.9279 0.8621 0.8830 0.90 15 1.0 1.1 0.8413 0.8643 0.8849 0.8438 0.8665 0.8531 0.8749 0.8944 0.9115 0.9265 0.8599 0.8810 0.8997 0.8708 0.8907 0.0116 1.2 0.8869 -2.1 -2.0 0.0179 0.0228 0.0170 0.0217 0.0166 0.0212 0.0150 0.0192 0.9177 0.9319 0.0162 0.0158 0.0202 0.0154 0.0197 0.0143 0.0183 1.3 1.4 0.9032 0.9192 0.9049 0.9066 0.9082 0.9099 0.9251 0.9147 0.9162 0.0207 0.9207 0.9222 0.9236 0.9292 0.9306 -1.9 -1.8 -1.7 0.0287 0.0359 0.0446 0.0268 0.0336 0.0418 0.0256 0.0322 0.0233 0.0294 0.0367 0.0250 0.0244 1.5 1.6 1.7 1.8 1.9 0.9332 0.9452 0.9554 0.9345 0.0281 0.0351 0.0436 0.0274 0.0344 0.0427 0.0262 0.0329 0.0409 0.0314 0.0392 0.0239 0.0301 0.0375 0.9357 0.9474 0.9573 0.9370 0.9484 0.9582 0.9382 0.9495 0.9591 0.9394 0.9505 0.9599 0.9406 0.9515 0.9418 0.9525 0.9616 0.9429 0.9535 0.9625 0.9441 0.9545 0.9633 0.0307 0.0384 0.0475 0.0582 0.9463 0.9564 0.0401 0.9608 0.0537 0.0655 0.0516 0.0630 0.0505 0.0618 0.0455 0.0559 0.9706 0.9767 0.0526 0.0495 0.0606 0.0485 0.0594 0.0465 0.0571 0.9649 0.9719 0.9656 0.9726 0.9686 0.9750 0.9693 0.9756 -1.6 0.0548 0.0668 0.9641 0.9713 0.9664 0.9671 0.9738 0.9678 0.9699 -1.5 0.0643 0.9732 0.9744 0.9761 0.0793 0.0951 0.1131 0.0778 0.0934 0.1112 0.0764 0.0918 0.1093 0.0749 0.0901 0.1075 0.1271 0.1492 0.0721 0.0869 0.1038 0.0694 0.0838 0.1003 0.0681 0.0823 0.0985 0.9783 0.9830 0.9868 0.9793 0.9838 0.9875 0.9904 0.9927 0.9798 0.9842 0.9878 0.9808 0.9850 0.9884 0.9911 0.9932 0.0735 -1.4 -1.3 -1.2 0.0808 0.0968 0.1151 0.0708 0.0853 0.1020 2.0 2.1 2.2 0.9772 0.9821 0.9861 0.9778 0.9826 0.9864 0.9896 0.9920 0.9788 0.9834 0.9871 0.9803 0.9846 0.9881 0.9812 0.9854 0.9887 0.9817 0.9857 0.9890 0.0885 0.1056 -1.1 -1.0 0.1357 0.1587 0.1335 0.1562 0.1314 0.1539 0.1251 0.1469 0.1210 0.1423 0.1190 0.1401 2.3 2.4 0.9898 0.9922 0.9909 0.9931 0.9913 0.9934 0.9916 0.9936 0.1292 0.1230 0.1446 0.1170 0.1379 0.9893 0.9901 0.9925 0.9906 0.1515 0.9918 0.9929 0.1788 0.2061 0.2358 0.1762 0.2033 0.2327 0.1736 0.2005 0.2296 0.1685 0.1949 0.2236 0.1635 0.1894 0.2177 2.5 2.6 2.7 0.9938 0.9953 0.9965 0.0074 0.9946 0.9960 0.9970 -09 -0.8 -0.7 -0.6 0.1841 0.2119 0.2420 0.1814 0.2090 0.2389 0.2709 0.1711 0.1977 0.2266 0.2578 0.1660 0.1922 0.2206 0.2514 0.1611 0.1867 0.2148 0.9940 0.9955 0.9966 0.9941 0.9956 0.9943 0.9957 0.9945 0.9959 0.9969 0.9948 0.9961 0.9971 0.9949 0.9962 0.9972 0.9951 0.9963 0.9973 0.9952 0.9964 0.9974 0.9981 0.9967 0.9968 0.2743 0.2676. 0.2643 0.2611. 0.2546 0.2483 0.2451 2.8 0.0075 0.0976 0.0077 0.0077 0.0978 0.0070 0.0079 0.0080
A random sample of 1026 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1026 adults surveyed, 515 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). ..... (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p= 0.502 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is which is 10, and the less than or equal to 5% of the (Round to three decimal places as needed.)
Transcribed Image Text:A random sample of 1026 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1026 adults surveyed, 515 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). ..... (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p= 0.502 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is which is 10, and the less than or equal to 5% of the (Round to three decimal places as needed.)
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