A continuous variable XXX has PDF f(x)=2xf(x) = 2xf(x)=2x on [0,1][0, 1][0,1]. What is the value of P(X>0.5∣X>0.25)P(X > 0.5 | X > 0.25)P(X>0.5∣X>0.25)?
0.75
0.8
0.85
0.9