An industrial/organizational psychologist wants to improve worker productivity for a client firm, but first she needs to gain a better understanding of the life of the typical white-collar professional. fortunately, she has access to the 2008 workplace productivity survey, commissioned by lexisnexis and prepared by worldone research, which surveyed a sample of 650 white-collar professionals (250 legal professionals and 400 other professionals). one of the survey questions was, "how many work-related emails do you receive during a typical workday? " for the subsample of legal professionals (n = 250), the mean response was m = 36.7 emails, with a sample standard deviation of s = 24.3 emails. the estimated standard error is sm = . use the following distributions tool to develop a 95% confidence interval estimate of the mean number of work-related emails legal professionals receive during a typical workday.