Budget lapsing occurs when unspent funds do not carry over from one budgeting period to the next. Because budget lasping often leads to a spike in expenditures at the end of the fiscal year, the researchers recorded expenses per full-time equivalent employee for each in a sample of 1,751 army hospitals. The sample yielded the following summary statistics

x_ = $6,563 and s= $2,484. Estimate the mean expenses per full-time equivalent employee of all US Army hospitals using a 90% confidence interval. Interpret.