• 2022-07-29
    求具有如下概率密度函数的随机变量的熵。[tex=6.929x2.357]Uvh5Koks4Vyfe25VcsYap0LVRFZZzBAgLRnIuS1Jf5tvCOjEryvurBFRPUtvgmHB[/tex]
  • [tex=19.786x8.357]a0s3MH7cLIdmiBRR0YN062no28mh2Udh/Nq1vhzTVo3vauZ60JmaKoKyxFfSLjXiHYa+4miGjVH/5KPNzbp7HKcMY01XCV84Bqx2hyj2YpmwwX2PO6MJB1LBc7aMlOHdGfBNbEv2qQaN1C+3ivUvpPGzs1b1taA1GsX/3HGrdHtrPwXwwKeV/0f3s4Tpmzyd56AXK0IxCPSBxKAoXYMO0GZe9ycl5/SYagXknrFWg4B2CuTJCmbibFHSG5qPxMMYpUWUnJbGnVKHU+JIRhswwK6Os6lalfAAvoysTilY8D93JpOP3XKcSpjK/XbharP+SRslMUU1hvIwLTQP7Hc7Tktur2mO/ujMdTw3kmGe6k1CjyLopB18f+/hzxJXbteboOndTYOWaCmbPe9Hdg8LnOQwBmWPa5pNjfOF4LvjIcw=[/tex][tex=3.286x2.357]3gnsAKj9ca2KJf6Q7eD1kzsDnYPx02H6pTL35ZtelKk=[/tex]奈特/样值

    内容

    • 0

      设随机变量X的密度函数为[tex=10.786x3.643]VChR2LteFYCLypbVrMitbrg/Jyu8kqSU7sLMQGqNoYbZiO5Oi8A/FeFntjZrRJA7dTpOjBFm7aOCqR6s1CbFXg==[/tex],求X的分布函数.

    • 1

      设 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex]的联合概率密度函数[tex=15.357x2.5]s59y2K1bDNChzmHwfrn1oSTsviLjQQg8wI3c526C3yzphma1gEnKmY1d0GOhcgpDrVk0S0HYvJc5zHg0mP64fWLTa9uXbGqrZeHsMUNHgnE=[/tex]试求:(1) 常数[tex=1.071x1.214]z0hROCnScDTSmsGIsah7lg==[/tex](2[tex=1.286x1.357]/uxB8bcBwZIIynmCK0zb3w==[/tex]的边缘概率密度;(3)[tex=5.714x1.357]hFwvmFy7d445I67u1TIsQQ==[/tex](4) 条件概率密度[tex=3.5x1.357]HORQgHJxZ7uz7C/XOzaMPQ==[/tex](5)[tex=7.857x1.357]NtXObZzFHwLX7QJ0M/bVDYIz97XcCiIe6f1XEIM9WY4=[/tex]

    • 2

      设随机变量X的分布函数为[tex=12.5x4.357]cUZjNsD2xfP/RtWxdJU2nCZdq/t80gZl6PA6BCWZwJxuvs8zq+u8IrRkZwTxQYWrBpQmJUHUSNwfN9hcWtM4RPkgMk+MhvuuX78uxfihZg+VDOzyn+gOurolcMaNP/cjJDPXaA6InpjFqWX43S2AhQ==[/tex]求(1)常数A;(2)X取值落在(0.25,0.75)内的概率;(3)X的概率密度;(4)在四次独立实验中,有三次取值恰好落在(0.25,0.75)内的概率

    • 3

      设随机变量X的密度函数为[img=572x74]1791bc8f97085d2.jpg[/img]试求:(1)常数A;(2)[tex=6.714x1.357]AyFmD19eLybEpNdIrC346g==[/tex]

    • 4

      假设随机变量[tex=4.429x1.357]1VbTWARepqbSK7xAfQFK/Q==[/tex],求下列随机变量[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex]的概率密度函数:[tex=2.786x1.143]dEyDMQFNDSj5BnXUNtFDOVT6FlChSdLZ1xQyjbw9xnQ=[/tex]