Use your computer package to find the following critical points:
(a) t0.27,14
(b) t0.09,22
(c) t0.016,7
If the random variable X has a t-distribution with 22 degrees of freedom, use your computer package to find:
(d) P(X ≤ 1.78)
(e) P(-0.65 ≤ X ≤ 2.98)
(f) P(|X| ≥ 3.02)