简答题:Write an essay of 160-200 wordsbased on the following drawin

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  • 题目类型:简答题
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题目内容:
Write an essay of 160-200 words based on the following drawing. In your essay, you should 1) describe the drawing briefly, 2) interpret its intended meaning, and 3) give your comments. You should write neatly on the ANSWER SHEET(20 points)
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请在第__13__处填上正确答案。

请在第__13__处填上正确答案。A.back B.further C.aside D.around

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设随机事件A1,A2,A3相互独立,且P(A1)=0.4,P(A2)=0.5,P(A0)=0.7.求:(1)A1,A2,

设随机事件A1,A2,A3相互独立,且P(A1)=0.4,P(A2)=0.5,P(A0)=0.7.求:(1)A1,A2,A3恰有一个发生的概率;(2)A1,

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设有两种报警系统Ⅰ与Ⅱ,它们单独使用时,有效的概率分别为0.92与0.93,且已知在系统I失效的条件下,系统Ⅱ有效的概率

设有两种报警系统Ⅰ与Ⅱ,它们单独使用时,有效的概率分别为0.92与0.93,且已知在系统I失效的条件下,系统Ⅱ有效的概率为0.85,试求:(1)系统Ⅰ与Ⅱ同时

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