2023数学中等derivationmedium
Square-Root Impact Averages Down 3
题目
A square-root impact proxy makes dispersion beneficial relative to plugging in the average size directly. Let psi(v)=sqrt(1+v) on v>=0. If V is random, how do E[psi(V)] and psi(E[V]) compare?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。