Complete parts {a} through {1:} below. {:1 Determine the critical val ues} for a right-tai led test of a population mean at the 41: {ll level of significance with 1D degrees of freedom. {b} Determine the critical values] for a left-tailed test of a population mean at the e: 0111 level of significance based on a sample size of n = 15. {1:} Determine the critical val ues} for a Motai led test of a population mean at the or: {1.1215 level of significance based on a sample size of n = 13. Click here to VlEW the tDistribution Area in Right Tail. {a} tar-n = Elm {Round to three decimal places as needed.) {b} tam = ED [Round to three decimal places as needed.) {1:} turn = ED [Round to three decimal places as needed.)