20. Correct. The
answer is true
(a) v1 =15, v2=9, and F0.99, 15, 9 = 4.96
(b) By Theorem 4-8, p.118, F0.01, 15, 9 = ( F0.99, 15, 9)-1 = 0.257
(c) v1 =10, v2=15, and F0.95, 10, 9= 2.54
(d) By Theorem 4-8, p.118 in Schaum's Outline, F0.05, 8, 30 = ( F0.05, 8, 30)-1 = 0.325