The answer to question b and how it could be worked on a ti-84

Hom Question 1, 17.2.7-T HW Score: 0%, 0 of 10 points > Part 2 of 2 O Points: 0 of 1 Using the t tables, software, or a calculator, estimate the values asked for in parts (a) and (b) below. - . . .. a) Find the critical value of t for a 90% confidence interval with df = 15. t = 1.75 (Round to two decimal places as needed.) b) Find the critical value of t for a 99% confidence interval with df = 82. cl t = (Round to two decimal places as needed.) m