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某天早 https:/img.zuoyebang.cc/zyb_8cea8f9e1e44fee4a53b84b1b8d04a09.jpg.9 点至晚 https

... . 1-|||-1 https:/img.zuoyebang.cc/zyb_a148ede5fabdd95c53fd3b87a9e6b9b0.jpg+(

. https:/img.zuoyebang.cc/zyb_59b3de1062e243c0b1e32e8058920d73.jpg+({x)_(n)}^2

X 1 2 3-|||-p .-1 .https:/img.zuoyebang.cc/zyb_9e778ee622bfcbd85bc2aaa7e97331dd.

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

1/2 倍;-|||-C. https:/img.zuoyebang.cc/zyb_61825a25acb164a4803426e2b1e1d552.jpg/s

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

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

4-|||-https:/img.zuoyebang.cc/zyb_218762fe585dbabaa8e3f46957a71dcd.jpg 0 .-1 2-|

... .-|||-0 0 ... https:/img.zuoyebang.cc/zyb_f80a6fcb675eca65c2e3c810106ea5ab.j