If XXX is continuous with support [0,1][0, 1][0,1], which must be true?
f(x)≤1f(x) \leq 1f(x)≤1 for all xxx
F(1)=1F(1) = 1F(1)=1
F(0)=0F(0) = 0F(0)=0
Both (b) and (c)