The costs associated with conducting interviews for a job opening have skyrocketed over the years. According to a Harris interactive survey, 260 of 500 senior human resources executives at U.S companies believe that their hiring managers are interviewing too many people to find qualified candidates for the job.

Let p bethe true proportion of senior human resources executives who believe that their hiringmanagers are interviewing too many candidates for a job. Then a 95% confidence interval for p is given by