θ^2 .https:/img.zuoyebang.cc/zyb_cc1d55810cc7d52776d9633cf4097f0a.jpg-20-|||-其中 theta (0lt theta lt dfrac (1)(2)) 是未知参数,利用总体X的如下样本值3,1,3,0,3,1,2,3.试求:(1)θ的-|||-矩估计值;(2)θ的极大似然估计值.

https:/img.zuoyebang.cc/zyb_7951f03ce916a2297d2b38782b6a2474.jpg+(a)^2-|||-https

设总体X的概率分布为X 0 1 2-|||-P (theta )^2 https:/img.zuoyebang.cc/zyb_9a4dc435e7d9078a6

2.设总体X的分布律为-|||-X 0 1 2 3-|||-p θ^2 (1-theta ) θ^2 https:/img.zuoyebang.cc/zyb_a

https:/img.zuoyebang.cc/zyb_c0fbf0d3ab9a0b30a20e47b6f2b25ba5.jpg-a-|||-C.α^2 D.

解方程 https:/img.zuoyebang.cc/zyb_7e8f43fce8d9495be1e56a8b33129708.jpg+(e)^2=0.

挡位选择Pe-|||-50-|||-45-|||-https:/img.zuoyebang.cc/zyb_94c0be7d6f7cf1df14702a82b39

7.计算下列行列式.-|||-1 a1 0 0 0-|||--1 https:/img.zuoyebang.cc/zyb_c0430b49f154f76d3d2

https:/img.zuoyebang.cc/zyb_7799087af0a37bad4c44aafa78886ed8.jpg-4 试求习题 https:/i

设函数-|||-f(x)-|||-在区间-|||-(1,2)-|||-内连续,-|||-https:/img.zuoyebang.cc/zyb_dcce33fe

,n).-|||-: :-|||-1 1 1 https:/img.zuoyebang.cc/zyb_15bc16ffa83191fb234d7f1ea1503