markfang2050 发表于 2020-6-1 16:58:52

What is the expected value of the volume of the tetrahedron

Four points are chosen at random (uniformly) from the boundary of a unit cube. What is the expected value of the volume of the tetrahedron they form?

markfang2050 发表于 2020-6-2 20:36:43

1000000次实验，单位正方体的棱上任取4点，求其构成四面体体积期望=1/20=0.049958。
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