• 2022-06-16
    设二维离散型随机变量 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的分布列为[tex=16.571x2.929]OOdTrLGt+hva56tTPivt09mWj/eA61s8OwEhQ7qQK2x4xbo+IpmZBDfckjSt8p3Sb/rq/EGe4igtc1vnGP4aSdN3eg/B2jMBGQJcivjwi6kqgvWJFwqvUd8kAXkZY483NJPcG/UXl7/c+8CKwbLfhQ==[/tex]若 [tex=6.786x1.357]VJjSMzArEIsovfrGO+7k6g==[/tex][input=type:blank,size:4][/input],  [tex=1.214x1.0]K8smC/cIa8UNloSG70moMg==[/tex][input=type:blank,size:4][/input].
  • 举一反三