In". a V; . ' t has decreased .ccording to ewebsite, the mean outstanding credit~card debt of college undergraduates was $31731n 2010. A researcher believes that this amoun .ince then. Complete pads ta) through (e) below. (at Determine the null and alternative hypotheses. (Type integers or decimals. Do not round.) (b) Exptain what it would mean to make a Type i error. it the sample data leads the researcher to E the null hypothesis and the mean credit'card debt of college undergraduates has J: a Type I error occurs. to) Expiain What it. would mean to make a Type ll error. it the sample data leads the researcher to E the null hypothesis and the mean credit-card debt of college undergraduates has J: a Type II error occurs. (d) State the conclusion that would be reached it the nutt hypothesis was not rejected. There E sufcient evidence at the a. level to support the researcher's belief that the mean credit card debt of college undergraduates has l: to) State the conclusion that would be reached if the null hypothesis was rejected. There E sutcient evidence at the a level to support the researchers belief that the mean credtt card debt of college undergraduates has V