应该是概率分布表吧
0 1 2 3 4 5
(1/2)^5 C5,1(1/2)^5 C5,2(1/2)^5 C5,3(1/2)^5 C5,4(1/2)5 C5,5(1/2)^5
1/32 5/32 10/32 10/32 5/32 1/32