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se the sample research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 993 and x = 566 WHU Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) (...)

se the sample research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 993 and x = 566 WHU Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (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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Z 0.0 28888=223222 1.0 1.5 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.50 and up Z 0 .00 5000 5398 5793 6179 6554 6915 7257 7580 7881 8159 8413 8643 8849 9032 9192 9332 9452 9554 9641 9713 9772 9821 9861 9893 9918 9938 9953 9965 9974 9981 9967 9990 9993 9995 9997 9999 .00 z Score 1.645 2.575 Z Cumulative Area from the LEFT 01 5040 5438 5832 6217 6591 6950 7291 7611 7910 8186 8438 8665 8869 9049 9207 9345 9463 9564 9649 9719 9778 9826 9864 9896 9920 9940 9955 9966 9975 9982 9987 9991 9993 9995 .9997 .01 NOTE: For values of z above 3.49, use 0.9999 for the area. 02 5080 5478 5871 6255 6628 6985 .7324 7642 7939 8212 8461 8686 8888 .9066 9222 9357 9474 9573 9656 9726 9783 .9830 .9868 9898 9922 .9941 9956 9967 9976 9982 .9987 9991 9994 9995 9997 "Use these common values that result from interpolation: Area 0.9500 0.9950 POSITIVE z Scores .02 .03 5120 5517 5910 6293 6664 7019 7357 7673 7967 8238 8485 8708 8907 9082 .9236 9370 9484 9582 9664 9732 9788 9834 9871 9901 9925 9943 9957 9968 9977 9983 9988 9991 9994 9996 9997 03 04 5160 5557 5948 6331 6700 7054 7389 7704 .7995 .8264 8508 8729 8925 9099 9251 9382 9495 . .9591 .9671 9738 9793 9838 9875 9904 9927 9945 9959 9969 9977 9984 9988 9992 9994 9996 9997 .04 .05 5199 5596 5987 .6368 6736 .7088 .7422 .7734 8023 8289 8531 8749 .8944 9115 9265 .9394 9505 9599 9678 9744 9798 9842 9878 9906 9929 .9946 .9960 .9970 9978 .9984 9989 9992 9994 .9996 9997 .05 .06 .5239 5636 6026 .6406 .6772 .7123 .7454 .7764 .8051 8315 8554 .8770 8962 9131 9279 9406 9515 9608 .9686 .9750 .9803 .9846 .9881 .9909 9931 .9948 .9961 .9971 9979 9985 9989 9992 9994 .9996 .9997 .06 .07 5279 5675 6064 6443 6808 .7157 .7486 .7794 .8078 8340 8577 8790 8980 .9147 9292 9418 9525 .9616 .9693 .9756 .9808 9850 .9884 .9911 .9932 9949 9962 9972 9979 9985 9989 9992 9995 9996 9997 .07 .08 5319 5714 6103 6480 6844 7190 7517 7823 8106 .8365 8599 .8810 8997 .9162 9306 9429 9535 .9625 9699 9761 9812 9854 9887 9913 934 9951 9963 .9973 9980 9986 9990 9993 9995 9996 9997 .08 .09 5359 5753 6141 6517 .6879 7224 7549 .7852 8133 8389 8621 8830 .9015 9177 9319 9441 9545 9633 9706 .9767 9817 9857 9890 9916 9936 .9952 9964 .9974 9981 9986 9990 9993 9995 9997 9998 8 .09 Common Critical Values Confidence Level 0.90 0.95 0.99 Critical Value 1.645 1.96 2.575 2 2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.50 and up
Transcribed Image Text:Z 0.0 28888=223222 1.0 1.5 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.50 and up Z 0 .00 5000 5398 5793 6179 6554 6915 7257 7580 7881 8159 8413 8643 8849 9032 9192 9332 9452 9554 9641 9713 9772 9821 9861 9893 9918 9938 9953 9965 9974 9981 9967 9990 9993 9995 9997 9999 .00 z Score 1.645 2.575 Z Cumulative Area from the LEFT 01 5040 5438 5832 6217 6591 6950 7291 7611 7910 8186 8438 8665 8869 9049 9207 9345 9463 9564 9649 9719 9778 9826 9864 9896 9920 9940 9955 9966 9975 9982 9987 9991 9993 9995 .9997 .01 NOTE: For values of z above 3.49, use 0.9999 for the area. 02 5080 5478 5871 6255 6628 6985 .7324 7642 7939 8212 8461 8686 8888 .9066 9222 9357 9474 9573 9656 9726 9783 .9830 .9868 9898 9922 .9941 9956 9967 9976 9982 .9987 9991 9994 9995 9997 "Use these common values that result from interpolation: Area 0.9500 0.9950 POSITIVE z Scores .02 .03 5120 5517 5910 6293 6664 7019 7357 7673 7967 8238 8485 8708 8907 9082 .9236 9370 9484 9582 9664 9732 9788 9834 9871 9901 9925 9943 9957 9968 9977 9983 9988 9991 9994 9996 9997 03 04 5160 5557 5948 6331 6700 7054 7389 7704 .7995 .8264 8508 8729 8925 9099 9251 9382 9495 . .9591 .9671 9738 9793 9838 9875 9904 9927 9945 9959 9969 9977 9984 9988 9992 9994 9996 9997 .04 .05 5199 5596 5987 .6368 6736 .7088 .7422 .7734 8023 8289 8531 8749 .8944 9115 9265 .9394 9505 9599 9678 9744 9798 9842 9878 9906 9929 .9946 .9960 .9970 9978 .9984 9989 9992 9994 .9996 9997 .05 .06 .5239 5636 6026 .6406 .6772 .7123 .7454 .7764 .8051 8315 8554 .8770 8962 9131 9279 9406 9515 9608 .9686 .9750 .9803 .9846 .9881 .9909 9931 .9948 .9961 .9971 9979 9985 9989 9992 9994 .9996 .9997 .06 .07 5279 5675 6064 6443 6808 .7157 .7486 .7794 .8078 8340 8577 8790 8980 .9147 9292 9418 9525 .9616 .9693 .9756 .9808 9850 .9884 .9911 .9932 9949 9962 9972 9979 9985 9989 9992 9995 9996 9997 .07 .08 5319 5714 6103 6480 6844 7190 7517 7823 8106 .8365 8599 .8810 8997 .9162 9306 9429 9535 .9625 9699 9761 9812 9854 9887 9913 934 9951 9963 .9973 9980 9986 9990 9993 9995 9996 9997 .08 .09 5359 5753 6141 6517 .6879 7224 7549 .7852 8133 8389 8621 8830 .9015 9177 9319 9441 9545 9633 9706 .9767 9817 9857 9890 9916 9936 .9952 9964 .9974 9981 9986 9990 9993 9995 9997 9998 8 .09 Common Critical Values Confidence Level 0.90 0.95 0.99 Critical Value 1.645 1.96 2.575 2 2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.50 and up
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 993 and x = 566 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)
Transcribed Image Text:Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 993 and x = 566 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)
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