Please explain how you get the second result

omplete parts (a) through (c) below. a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.01 level of significance with 15 degrees of freedom. b) Determine the critical value(s) for a left-tailed test of a population mean at the a = 0.01 level of significance based on a sample size of n = 20. c) Determine the critical value(s) for a two-tailed test of a population mean at the a = 0.05 level of significance based on a sample size of n = 17. Click here to view the t-Distribution Area in Right Tail. (a) tonit = + 2:602 (Round to three decimal places as needed.) (b) tcrit = (Round to three decimal places as needed.) ons Enter your answer in the answer box and then click Check Answer. part Clear All Check Answer remaining be here to search O 994 DELL F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Prtser X a % A k 2 3 4 5 6 7 8 O Q W E R T Y U O P A S D F G H K Z X C V B N M Alt Alt Ctri