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An employee survey conducted by a company two years ago found that 53% of its employees were concerned about future health care benefits A random sample of 80 of these employees were asked if they were now concerned about future health care benefits. Answer the following, assuming that there has been no change in the level of concern about health care benefits compared to the survey bwo years ago What is the standard enor of the sample proportion who are concerned? b. What is the probability that the sample proportion is less than 0.507 c. What is the upper limit of the sample proportion such that only 4% of the time the sample proportion would exceed this value? Click the icon to view the standard normal table a The standard error of the sample proportion is (Round to five decimal places as needed)

An employee survey conducted by a company two years ago found that 53% of its employees were concerned about future health care benefits A random sample of 80 of these employees were asked if they were now concerned about future health care benefits. Answer the following, assuming that there has been no change in the level of concern about health care benefits compared to the survey bwo years ago What is the standard enor of the sample proportion who are concerned? b. What is the probability that the sample proportion is less than 0.507 c. What is the upper limit of the sample proportion such that only 4% of the time the sample proportion would exceed this value? Click the icon to view the standard normal table a The standard error of the sample proportion is (Round to five 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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An employee survey conducted by a company two years ago found that 53% of its employees were concerned about future health care benefits: A random sample of 80 of these employees were asked if they were now concemed about future health care benefits. Answer the following, assuming that there has been no change in the level of concern about health care benefits compared to the survey bwo years ago a What is the standard enor of the sample proportion who are concerned? b. What is the probability that the sample proportion is less than 0.507 cWhat is the upper limit of the sample proportion such that only 4% of the time the sample proportion would exceed this value? Click the icon to view the standard normal table a The standard error of the sample proportion is (Round to five decimal places as needed.) CE
Transcribed Image Text:An employee survey conducted by a company two years ago found that 53% of its employees were concerned about future health care benefits: A random sample of 80 of these employees were asked if they were now concemed about future health care benefits. Answer the following, assuming that there has been no change in the level of concern about health care benefits compared to the survey bwo years ago a What is the standard enor of the sample proportion who are concerned? b. What is the probability that the sample proportion is less than 0.507 cWhat is the upper limit of the sample proportion such that only 4% of the time the sample proportion would exceed this value? Click the icon to view the standard normal table a The standard error of the sample proportion is (Round to five decimal places as needed.) CE
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