• 2022-05-29
    假设随机变量[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]服从正态分布[tex=3.643x1.357]gZwBA2wziVkjKTXyux7+/g==[/tex] 由来自X的简单随机样本得样本方差[tex=1.214x1.429]6nvsk8XFocrVmOkVBbI3qg==[/tex] 求满足关系式[tex=7.714x1.357]oqFY6v6sSjvBdzAEdD/h2+TP+7YpkUnaQrOW1NfyvMME5C7Kf2PhPb6D9YQmH1JE[/tex]的最小样本容量[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex].
  • 举一反三