Let XXX have PDF f(x)=2xf(x) = 2xf(x)=2x for 0≤x≤10 \leq x \leq 10≤x≤1. What is P(X≤0.5)P(X \leq 0.5)P(X≤0.5)?
0.25
0.5
0.75
0.125