please help with question d

9.2.7 Determine the t-value in each of the cases. 3 Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.25 with 26 degrees of freedom. .684 (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.10 with 5 degrees of freedom. 1.476 (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.01 with 23 degrees of freedom. [Hint Use symmetry.] - 2.500' (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 96% condence. Assume 21 degrees of freedom. |:| (Round to three decimal places as needed.)