Let t0 represent a particular value of t. Find the table values such that the following statements

Question:

Let t0 represent a particular value of t. Find the table values such that the following statements are true.
a. P(t < t0) = .05 where df = 20
b. P(t > t0) = .005 where df = 9
c. P(t < - t0 or t < t0) = .10 where df = 8
d. P(t < - t0 or t > t0) = .01 where df = 17
For Information: Using Table IV, Appendix D.