On an algebra test, there were 6 As, 2 Bs, 9 Cs, 8 Ds, and 5 Fs. What is the
probability distribution for the grades A, B, C, D, and F, in that order, when one
of the grades is chosen at random?
A.1/5,1/15,1/6,4/15,2/15
B.1:5,1/10,1/3,4/15,2/15
C.1/5,1/15,3/10,4/15,1/6
D.1/10,1/15,1/3,4/15,2/15