A random variable XXX has PDF f(x)=2(1−x)f(x) = 2(1-x)f(x)=2(1−x) for x∈[0,1]x \in [0, 1]x∈[0,1]. What is the median?
1−121 - \frac{1}{\sqrt{2}}1−21
0.50.50.5
12\frac{1}{2}21
1−121 - \frac{1}{2}1−21