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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 4 percentage points with 95% confidence if (a) he uses a previous estimate of 38%? (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 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.)

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 4 percentage points with 95% confidence if (a) he uses a previous estimate of 38%? (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 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Standard Normal Distribution Table (page 2) Asca Standard Nomal Distribution 0.00 0.01 0,02 0.03 0.04 0.05 0,06 0.07 0.08 0.09 0.5040 0.5438 0.5832 0,5120 0.5517 0.5910 0.5160 0.5557 0.5948 0,5239 0,5636 0.6026 0.6406 0.6772 0,5319 0.5714 0.6103 0.6480 0.6844 0.5359 0.5753 0.6141 0.0 0.1 0.5000 0.5398 0.5793 0.6179 0.6554 0.5080 0.5478 0.5871 0.6255 0.6628 0.5199 0.5596 0.5987 0.5279 0.5675 0.6064 0.2 0.3 0.4 0.6217 0.6591 0.6293 0.6664 0.6331 0.6700 0.6368 0.6736 0.6443 0.6808 0.6517 0.6879 0.6950 0.7291 0.7611 0,7054 0.7389 0.7704 0.7995 0.8264 0,7123 0.7454 0.7764 0.7157 0.7486 0.7794 0.8078 0.8340 0.7224 0.7549 0.5 0.6915 0.7257 0.7580 0.7881 0.8159 0.6985 0.7324 0.7642 0.7019 0.7357 0.7673 0.7967 0,8238 0.7088 0.7422 0.7734 0.8023 0.8289 0,7190 0,7517 0.6 0,7 0.8 0.9 0.7910 0.8186 0.7939 0.8212 0.8051 0.8315 0.7823 0.8106 0.8365 0.7852 0.8133 0.8389 0,8413 0.8643 0.8849 0.9032 0.9192 0.8461 0.8686 0.8888 0.8531 0.8749 0.8944 0.9115 0.9265 0.8599 0.8810 0.8997 0.8577 1.0 1.1 1.2 0.8438 0.8665 0.8869 0.8485 0.8708 0.8907 0.8508 0.8729 0.8925 0.9099 0.9251 0,8554 0,8770 0.8962 0.9131 0.9279 0.8790 0.8980 0.9147 0.9292 0.8621 0.8830 0.90 15 0.9177 0.9319 1.3 1.4 0.9049 0.9207 0.9082 0.9236 0.9162 0.9306 0.9066 0.9222 0.9357 0.9474 0.9573 0.9656 0.9726 0.9370 0.9484 0.9394 0.9505 0.9599 0.9678 0.9744 0.9406 0.9515 0.9608 0.9686 0.9750 0.9418 0.9525 0.9616 0.9429 0.9535 0.9625 0.9699 0.9761 0.9441 0.9545 0.9633 0.9706 0,9767 1.5 0.9332 0.9452 0.9554 0.9641 0,9713 0.9345 0.9463 0.9564 0.9649 0.9719 0.9382 0.9495 0.9591 0.9671 0.9738 1.6 0.9582 0.9664 0.9732 1.7 1.8 1.9 0.9693 0.9756 0.9788 0.9834 0.9871 0.9901 0.9925 0.9808 0.9850 2.0 2.1 2.2 0.9772 0.9821 0.9861 0.9893 0.9918 0.9778 0.9826 0.9864 0.9896 0.9920 0.9783 0.9830 0.9868 0.9898 0.9922 0.9793 0.9838 0.9875 0.9904 0.9927 0.9798 0.9842 0.9878 0.9906 0.9929 0.9803 0.9846 0.9881 0.9909 0.9931 0.9812 0.9854 0.9887 0.9817 0,9857 0.9890 0.9916 0.9936 0.9884 0.9913 0.9934 0.9911 2.3 2.4 0.9932 2.5 2.6 2.7 0.9938 0.9953 0.9965 0.9974 0.9981 0.9940 0.9955 0.9966 0.9975 0.9982 0.9941 0.9956 0.9967 0.9976 0,9982 0.9943 0.9957 0.9968 0.9945 0.9959 0.9969 0.9946 0.9960 0.9970 0.9978 0.9984 0.9948 0.9961 0.9971 0.9979 0.9985 0.9949 0.9962 0.9972 0.9979 0.9985 0.9951 0.9963 0.9973 0.9980 0.9986 0.9952 0.9964 0.9974 0.9981 0,9986 2.8 2.9 0.9977 0.9977 0,9083 0.9984 swer i 3.0 3.1 3.2 0.9987 0.9990 0.9993 0.9995 0.9997 0.9987 0.9991 0.9993 0.9995 0.9997 0.9987 0.9991 0.9994 0.9905 0.9997 0.9988 0.9991 0.9994 0.9996 0.9997 0.9988 0.9992 0.9994 0.9989 0.9992 0.9994 0.9996 0.9997 0.9989 0.9992 0.9994 0.9996 0,9997 0.9989 0.9992 0.9995 0,9990 0.9993 0.9995 0.9996 0.9997 0.9990 0.9993 0.9995 0.9997 0.9998 0.9996 0,.9997 3.3 0.9996 3.4 0.9997 0,00 0.01 0,02 0.03 0.04 0.05 0,06 0,07 0.08 0.09 Print Done
Transcribed Image Text:Standard Normal Distribution Table (page 2) Asca Standard Nomal Distribution 0.00 0.01 0,02 0.03 0.04 0.05 0,06 0.07 0.08 0.09 0.5040 0.5438 0.5832 0,5120 0.5517 0.5910 0.5160 0.5557 0.5948 0,5239 0,5636 0.6026 0.6406 0.6772 0,5319 0.5714 0.6103 0.6480 0.6844 0.5359 0.5753 0.6141 0.0 0.1 0.5000 0.5398 0.5793 0.6179 0.6554 0.5080 0.5478 0.5871 0.6255 0.6628 0.5199 0.5596 0.5987 0.5279 0.5675 0.6064 0.2 0.3 0.4 0.6217 0.6591 0.6293 0.6664 0.6331 0.6700 0.6368 0.6736 0.6443 0.6808 0.6517 0.6879 0.6950 0.7291 0.7611 0,7054 0.7389 0.7704 0.7995 0.8264 0,7123 0.7454 0.7764 0.7157 0.7486 0.7794 0.8078 0.8340 0.7224 0.7549 0.5 0.6915 0.7257 0.7580 0.7881 0.8159 0.6985 0.7324 0.7642 0.7019 0.7357 0.7673 0.7967 0,8238 0.7088 0.7422 0.7734 0.8023 0.8289 0,7190 0,7517 0.6 0,7 0.8 0.9 0.7910 0.8186 0.7939 0.8212 0.8051 0.8315 0.7823 0.8106 0.8365 0.7852 0.8133 0.8389 0,8413 0.8643 0.8849 0.9032 0.9192 0.8461 0.8686 0.8888 0.8531 0.8749 0.8944 0.9115 0.9265 0.8599 0.8810 0.8997 0.8577 1.0 1.1 1.2 0.8438 0.8665 0.8869 0.8485 0.8708 0.8907 0.8508 0.8729 0.8925 0.9099 0.9251 0,8554 0,8770 0.8962 0.9131 0.9279 0.8790 0.8980 0.9147 0.9292 0.8621 0.8830 0.90 15 0.9177 0.9319 1.3 1.4 0.9049 0.9207 0.9082 0.9236 0.9162 0.9306 0.9066 0.9222 0.9357 0.9474 0.9573 0.9656 0.9726 0.9370 0.9484 0.9394 0.9505 0.9599 0.9678 0.9744 0.9406 0.9515 0.9608 0.9686 0.9750 0.9418 0.9525 0.9616 0.9429 0.9535 0.9625 0.9699 0.9761 0.9441 0.9545 0.9633 0.9706 0,9767 1.5 0.9332 0.9452 0.9554 0.9641 0,9713 0.9345 0.9463 0.9564 0.9649 0.9719 0.9382 0.9495 0.9591 0.9671 0.9738 1.6 0.9582 0.9664 0.9732 1.7 1.8 1.9 0.9693 0.9756 0.9788 0.9834 0.9871 0.9901 0.9925 0.9808 0.9850 2.0 2.1 2.2 0.9772 0.9821 0.9861 0.9893 0.9918 0.9778 0.9826 0.9864 0.9896 0.9920 0.9783 0.9830 0.9868 0.9898 0.9922 0.9793 0.9838 0.9875 0.9904 0.9927 0.9798 0.9842 0.9878 0.9906 0.9929 0.9803 0.9846 0.9881 0.9909 0.9931 0.9812 0.9854 0.9887 0.9817 0,9857 0.9890 0.9916 0.9936 0.9884 0.9913 0.9934 0.9911 2.3 2.4 0.9932 2.5 2.6 2.7 0.9938 0.9953 0.9965 0.9974 0.9981 0.9940 0.9955 0.9966 0.9975 0.9982 0.9941 0.9956 0.9967 0.9976 0,9982 0.9943 0.9957 0.9968 0.9945 0.9959 0.9969 0.9946 0.9960 0.9970 0.9978 0.9984 0.9948 0.9961 0.9971 0.9979 0.9985 0.9949 0.9962 0.9972 0.9979 0.9985 0.9951 0.9963 0.9973 0.9980 0.9986 0.9952 0.9964 0.9974 0.9981 0,9986 2.8 2.9 0.9977 0.9977 0,9083 0.9984 swer i 3.0 3.1 3.2 0.9987 0.9990 0.9993 0.9995 0.9997 0.9987 0.9991 0.9993 0.9995 0.9997 0.9987 0.9991 0.9994 0.9905 0.9997 0.9988 0.9991 0.9994 0.9996 0.9997 0.9988 0.9992 0.9994 0.9989 0.9992 0.9994 0.9996 0.9997 0.9989 0.9992 0.9994 0.9996 0,9997 0.9989 0.9992 0.9995 0,9990 0.9993 0.9995 0.9996 0.9997 0.9990 0.9993 0.9995 0.9997 0.9998 0.9996 0,.9997 3.3 0.9996 3.4 0.9997 0,00 0.01 0,02 0.03 0.04 0.05 0,06 0,07 0.08 0.09 Print Done
ate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be 6 confidence if A researcher wishes to estimate Click bere to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n =O (Round up to the nearest integer.) (b) n = (Round up to the nearest integer.) A Standard Normal Distribution Table (page 1) Standard Normal Distribution Enter your answer 0.3669 0.4168 0.3936 04721 0.4052 0.4960 0.4840 0.00 0.01 0.02 0.03 0.04 0.0
Transcribed Image Text:ate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be 6 confidence if A researcher wishes to estimate Click bere to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n =O (Round up to the nearest integer.) (b) n = (Round up to the nearest integer.) A Standard Normal Distribution Table (page 1) Standard Normal Distribution Enter your answer 0.3669 0.4168 0.3936 04721 0.4052 0.4960 0.4840 0.00 0.01 0.02 0.03 0.04 0.0
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