3. You plan to conduct a survey to find out what proportion of the workforce has two or more jobs. You decide on a 98% confidence level and want the estimate of the proportion to be accurate within 48. We have no reliable estimate of the population proportion. How many workers should be surveyed to meet your

3. You plan to conduct a survey to find out what proportion of the workforce has two or more jobs. You decide on a 98% confidence level and want the estimate of the proportion to be accurate within 48. We have no reliable estimate of the population proportion. How many workers should be surveyed to meet your

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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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= 1003 and x= 574 who said "yes." Use a 99 % confidence level. A. Find the best point estimate of the population proportion. ( Round to three decimal places as needed. ) B. Identify the value of the margin of error E. (Round to three decimal places as needed) C. Construct a confidence interval.(Round to three decimal places as needed)
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