A continuous random variable XXX has PDF f(x)=2xf(x) = 2xf(x)=2x for x∈[0,1]x \in [0, 1]x∈[0,1]. What is the median?
1/21/21/2
1/21/\sqrt{2}1/2
1/2\sqrt{1/2}1/2
1/41/41/4