Suppose that the random variable F follows an F distribution with 16 numerator degrees of freedom and 20 denominator degrees of freedom.

E(F) = ___ , and V(F) = ___.

F0. 025, 16, 20 = ___

Suppose instead that F follows an F distribution with degrees of freedom v1 = 20 and v2 = 16. Without using the Distributions tool, what is the value of F0. 975, 20, 16?

a. ) 0. 551

b. ) 0. 393

c. ) 0. 232

d. ) 1. 960