A researcher wishes to estimate the percentage of adults who support abolishing the penny What size sample should be obtained if he wishes the estimate to be within 5 percentage points with 99% confidence if (a) he uses a previous estimate of 32%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1) Click here to view the standard normal distribution table (page ?) Standard Normal Distribution Table (page 1) Standard Normal Distribution Table (page 2) a) n= (Round up to the nearest integer) (D) n=(Round up to the nearest integer) Standard Normal Distribution 0.09 Standard Normal Distribution 602 103 0.05 0.07 LON 0.09 0.04 0.06 0.01 0.90 0.01 0.02 1.03 1.01 0.05 0.07 0.5040 0 5080 0.5120 0.5160 0 5199 0.5239 D 5279 0.5319 0.5359 0.0002 0.0 0.5000 0.5517 0.5557 0 5596 0,5636 0.5675 0.5714 0.575 -34 0.0043 0.DO03 0.0003 1.0003 0.0003 0.0003 0.0603 0 0103 0 5398 0 5438 0.5478 0.614 0.0005 0.0005 0 0005 0:0004 0.0004 0.0004 Q.0004 0.0904 06004 0.0003 0.5910 0 5948 0.6026 0:6064 0.61 03 0.$793 0.5832 0 5871 0.00 07 0.0006 0.0006 0.0006 0.0906 0.0005 0.0005 0.0003 0.2 06368 0.6406 0.641 0.6480 0.6517 0.0007 0.0006 0.6179 0.6217 0.6255 0.6203 06331 0.0608 0 6008 0.0907 0.0007 0,6628 9.6661 0 6708 0.6736 0.6772 0,6841 0.6879 0.0010 0 0009 09009 0.0909 0.0008 0.0008 0.6554 0,6591 0 7224 0.0013 0 0013 09013 0.0012 0.0012 0.0011 0,0011 0 0011 0.0010 0.6010 0 7019 0.705 0.7080 0.712 0.7157 0. 7190 0,0014 0 6015 0.6050 0.7422 0.7454 0.7486 0.7517 0.754 0.0016 0.0014 0.0918 0.0017 0 0015 -29 0.0019 0.0018 0.0016 0.001 016 0 7257 0.7201 9 7324 10.7357 07389 0770 0 7734 0.7764 0.7794 0.7823 0 0024 0.0 03 0.0023 0.0072 0 0021 0 002 0.0030 0.7611 0.7642 0.0026 0 0027 0.0026 07 0 7673 0.0025 0 7580 0.802 0.8051 0.507 0.8106 0.813 -27 10.0035 0 0034 0.9053 0.0032 0.0031 0.0050 0.0020 0 0028 0 785 0.7910 0.7939 0 7967 0 799 0.834 0.8365 0.0047 0.0045 0.00-4 0.0043 0.0041 0,00-10 0.0039 0.0038 0.0037 0.5036 08159 0 8212 0.8264 0.8315 0.9 0.$186 08 21 0,0062 0 0059 0.0057 0,0054 0.0052 0.005 0.0049 0.0048 0.5451 0.8485 0.8.50 0.8531 0.8554 0.8573 0 8138 0.0068 0 0066 0.0064 1.0 0.841 0.8830 0.007 0 0065 0.5065 0.870 0 8729 03749 0.877 0.8790 0.8510 0.0082 0.0050 0.0078 0.0075 0.0073 0.0094 0.0091 0.0089 0 0087 9 890 0.8925 0 894 0.8962 0.8980 08097 -2.3 0.0107 0.0104 00102 0 0 099 0.0096 0.0110 0 834 0 886 0.9147 0.9177 0.0116 0 0113 0.9131 0.916 -22 0.01 39 0.0136 0.0132 0.0129 0.0125 0.0122 0.0119 0,0143 1.3 0 9032 0 9049 0.906 0 9090 09115 0.9319 0 0146 0.9279 0.9292 09306 09222 0925 0.9765 -2.1 0.0170 0 0174 00170 0.0 165 0.0163 0.0158 Q0154 0.0150 09192 0.9207 0.9236 6 0141 0.0217 0.0212 0.0207 0,0202 0.0197 0.019 0.0185 0 0183 0.930 09418 09120 -2 0.0228 0 022 0 0230 0.0233 0.9712 0 9345 0.9357 8 0370 09545 0.0244 09452 0.947 0.9484 09495 0.950 0.9515 0.9525 0.9535 -19 0 0281 0.0274 0.0268 0.0322 0.0314 0.0307 0.0301 0.0204 0.9534 0.95 0957 0.9583 0.9591 0959 0.960 0.9616 0.9625 0.0350 0:035 0.0544 0.0336 0.0329 0.9706 0.0401 0.0392 0.0834 0.0375 0.0367 17 0.9649 0.9671 09578 0.968 0 964 69699 -17 0:04 46 0.043 0.0427 0.0418 09041 0.9732 0.975 09767 10.0465 09738 0.0744 0.975 0.9761 -16 0 0537 0.0526 0.0516 O.0505 0.0485 0.971 0.9719 0.972 0.057 0.0650 09798 0.9803 0.98 9812 09817 0.0668 0.0655 0.0543 0,0630 0,0618 0.6600 0.0594 0 0532 0.9778 0.9781 0.978 0.9793 0.9857 0.0604 0.0681 20 09772 0.983 09845 -L 0.0808 0.0793 (0778 0.076 0.0749 0.0735 0.072 0.0706 0,0523 6 9826 0.987 0.987 0 9387 0.9871 0.988 0.0968 0.0951 0 0934 0.0918 0,0901 D.0568 0 0853 2 2 0 986 10.986 0.9868 0.991 0.9916 0 1056 0105 0.1020 0 1003 0.0085 0.980 0.9898 0 9201 0.9904 0.990 0.990 0.9911 -12 0.115 01131 01112 0.1093 0.1075 0.1170 23 0.989 0.9923 0.993 0.9932 09934 0 1190 0.9927 0.1357 01335 0 1292 01271 0.1251 0.12 30 01210 24 0.991 0.992 0.992 0.5923 0.1515 0.1492 0.1469 0.1446 0.1423 0 1401 0.1379 0.9949 0.995 0.9952 -10 0.1587 0.1539 0.9238 0.904 0.9945 0.9941 0.1562 0 1611 0.9859 0.9950 0.995 0.99% 0.996 0.1841 0 1814 0178 01762 0173 0.1711 0.1685 0.1660 0 1635 0.9953 0.995 0 995 0 975 0.1977 0.1949 0 1922 0 1894 0. 1867 27 09965 09356 0.906 0.906 0.9969 0.9970 0.9971 0 947 0.997 0.21 19 0 2093 0.206 0.2033 0.2032 0.2206 0.2177 0.2148 0.907 0.0977 0.907 0.9078 0.9979 0,5979 0.9080 09981 -0.7 0.2420 0.2389 0.2358 0 2327 0 2206 0.2236 28 0.9974 0.9975 0.9985 0. 90s 0.998 0 2643 02611 101257 0.2546 02514 0-2483 0.2451 0.9985 0:2709 29 09981 0.9982 0.998 0.098 0.998 0.2743 0:3015 0 2081 0.2946 0.2017 0.2877 02843 0.2776 0 0900 0208 0 3050 0.908 0.9089 0.9087 0 9087 0.9937 0.5993 0.9943 0 264 0 3228 03192 0.3156 0.3121 0.9991 1 9091 0 9592 0 990 0.909 0 0991 0.344 0 340 0.3330 0.330 0 3594 0.3485 0.959 0.3520 0.9994 0.9904 0.999 0 999 0.999 0.999 0.3557 0.999 0.999 0 3821 0.3783 0 374 0 3707 0,3560 0 16.32 3.2 0 9993 0.909 0.909 0.999 0.4013 0.3974 0.3936 03897 0.38.50 0.9095 0.909 0.9906 09996 0.9996 0.9996 -02 0.4207 0.4168 0 4129 0 409 0 4052 0.999 0 902 0.909 0.4602 0 4522 0 4 483 0.4443 0.4 404 0-4364 0.4325 0.428 0.4247 0 4681 0. 4641 0999 0 909 0.9097 0,4761 0.4721 0.5000 D 406 0 4930 0.4840 0:4801 6.01 1.02 0.03 0.04 0.05 0.06 0.07 10.09 0.00 0.06 0.08 0.03 0.61 0.05 0.07 1.09 0.00 0.01 0.02
