Question: 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

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 = 1017 and x = 500 who said "yes." Use a 95% confidence level. Click the icon to view a table of z scores. Standard Normal (z) Distribution a) Find the best point estimate of the population proportion p. .05 06 07 08 09 Z Z .00 01 02 03 04 .5359 0.0 0.0 .5000 5040 .5080 .5120 .5160 .5199 .5239 .5279 .5319 Round to three decimal places as needed.) 5517 5557 .5596 5636 5675 5714 .5753 0.1 0.1 .5398 .5438 .5478 6141 0.2 b) Identify the value of the margin of error E. .6064 .6103 0.2 .5793 .5832 .5871 .5910 5948 .5987 .6026 .6517 0.3 .6179 .6217 .6255 6293 .6331 .6368 .6406 .6443 .6480 E= 0.3 6772 6808 6844 6879 0.4 (Round to three decimal places as needed.) 0.4 6736 6564 .6591 6628 6064 6700 7019 .7064 .7088 .7123 .7157 .7190 .7224 0.5 0.5 .6915 .6960 .6985 c) Construct the confidence interval. .7454 7486 .7517 .7549 0.6 0.6 .7257 .7291 7324 .7357 .7389 .7422 .7704 7734 .7764 7794 .7823 .7852 0.7

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