Let XXX have PDF f(x)=12xf(x) = \frac{1}{2}xf(x)=21x for 0≤x≤20 \le x \le 20≤x≤2. Find P(X>1)P(X > 1)P(X>1).
0.250.250.25
0.50.50.5
0.750.750.75
1.01.01.0