Q:Question:16. The Bank of New England is concerned about the amount of debt being accrued by customers using its credit cards. The Board of directors decided to install an expensiv monitoring system if the mean for all of the bank's customers is greater than $2000. Th bank randomly selected 1 0 0 credit card holders and determined the amounts the charged. For this sample group the mean is $ 2210 and standard deviation is $ 800. U 0.02 level of si