A survey asked senior executives at large corporations their opinions about the economic outlook for the future. One question was, "Do you think that there will be an increase in the number of full-time employees at your company over the next12 months?"In the current survey,228of400 executivesanswered Yes, while in a previous year survey,168of400 executiveshad answered Yes. Provide a 95% confidence interval estimate for the difference between the proportions at the two points in time. (Usecurrent yearprevious year.Round your answer to four decimal places.)

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