设二维随机变量(X,Y)的联合分布列为YX012-11/41/61/1221/51/62/15则Z=XY的分布列为________.
A、XY-2-1024 P1/121/63/201/613/30;
B、XY-2-1024 P1/61/129/201/62/15;
C、XY-2-1024 P1/121/69/201/62/15;
D、XY-2-1024 P1/121/61/41/61/3
发布时间:2025-08-03 12:09:22
A、XY-2-1024 P1/121/63/201/613/30;
B、XY-2-1024 P1/61/129/201/62/15;
C、XY-2-1024 P1/121/69/201/62/15;
D、XY-2-1024 P1/121/61/41/61/3