A company conducted a study to determine the percentage of employees who commute more than 2 hours everyday. Results revealed a percentage of employees who commute more than 2 hours every day of 23% and a 95% confidence interval of 19% to 27%. Which of the following is the best interpretation of that confidence interval?     We are 95% confident that the interval from 19% to 27% actually does contain the true value of the population proportion.      95% of sample proportions will fall between 19% and 27%.      There is a 95% chance that the true value of the proportion will fall between 19% and 27%.

MATLAB: An Introduction with Applications
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  1. A company conducted a study to determine the percentage of employees who commute more than 2 hours everyday. Results revealed a percentage of employees who commute more than 2 hours every day of 23% and a 95% confidence interval of 19% to 27%. Which of the following is the best interpretation of that confidence interval?

       

    We are 95% confident that the interval from 19% to 27% actually does contain the true value of the population proportion. 

       

    95% of sample proportions will fall between 19% and 27%. 

       

    There is a 95% chance that the true value of the proportion will fall between 19% and 27%. 

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