Let XXX be a random variable with PDF f(x)=cx3f(x) = c x^3f(x)=cx3 for x∈[0,2]x \in [0, 2]x∈[0,2]. What is the value of P(X>1)P(X > 1)P(X>1)?
0.5
0.875
0.125
0.75