A continuous random variable XXX has PDF f(x)=32x2f(x) = \frac{3}{2}x^2f(x)=23x2 for −1≤x≤1-1 \le x \le 1−1≤x≤1. What is E[X2]E[X^2]E[X2]?
0
3/5
1/2
3/4