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數學 高中

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黃浩數學 高二條件機率輔導2 黃浩數學 高二輔導2 日期 姓名: 分數: 1— 、單一選擇題:(一題8分) 1.0 ) 神眉老師想了解班上40名同學中,約有多少比率在國中前即談過戀愛,於 是他設計了A、B兩份問卷,其中A卷30張,B卷10張,及不記名答案卷 40張,隨機發給班上同學(同學不是拿到A卷就是B卷,至於A、B卷皆 不回收,答案卷要回收),其中A卷的問題是『我曾經在國中以前談過戀 愛』,因此拿到A卷的同學若在國中前曾談過戀愛,就要在答案卷上畫『 O』,若不曾談過戀愛就在答案卷上畫『X』;反之,B卷的問題則是『 我不曾在國中以前談過戀愛』 因此拿到B卷的同學若國中前曾談過戀愛 如此設計, ,就要在答案卷上畫『X』,若不曾談過戀愛,則畫『O』 不論某位學生回答的結果是○或X,老師都無法得知該生在國中前是否談 過戀愛,但可大致了解全班的狀況。答案卷經過回收後,老師發現40張答 案卷中有15張畫『O』,25張畫『X』,則在本班同學中,約有多少比率 的同學曾在國中以前談過戀愛?【北一女中】 1 (A) 1 (B) 4 (E)- 38 30日 二、多重選擇題:(一題20分) 10B (D) 1. 甲 天中,若甲同學至少打 (log2=0.3010,log3=0.47 2. 黑箱中有10枚硬幣,其中 人頭一面是字,將手伸入箱 後手打開,發現一面是字 3. 醫學上常利用心電圖篩檢。 圖篩檢出來(即有10%的 會被誤判為有心肌梗塞如 (1)對該城市的市民來說, (2)若某人的心電圖檢查結 機率是 。 【彰化

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英文 高中

請問第24題為什麼用when🥺🥺🙏🙏

Ľ 23 control by using cruel discipline. They may think that 24 in fact they aren't. Other people will try to keep their pet punishment and intimidation are the best ways to solve a problem d people abuse animals because they are careless. For example, someoné might forget to give their cat water for a few days or leave their dog in a car on a hot day with the windows rolled up. Some people 25 they can handle. By doing so, the hurt animals instead of helping them by taking in more pets animals end up living in a place that's cramped, dirty and unhealthy. Nearly all of these people can learn to understand (F) Keep 26% they are being cruel to animals through basic and proper education and become a better keeper. OK The next biggest group of animal abusers does it on purpose, but only for a short period of time. For example, a group of kids may throw rocks at a nest of baby birds they happen to see, or hurt a 22 Beat 28 everyone else is doing. in their neighborhood. These people are usually young, and they aren't thinking. Mostly, they do so out of the peer pressure or the need to impress each other. They just go along with This last group of abusers is the worst. These are people who intentionally hurt animals because it makes them feel powerful. By doing so, they think they control the animals. Others enjoy pain and violence. All of the people in the last group suffer from serious, psychological problems y not go away on their own. They often need the help of licensed professionals-like a psychologist. Without help, their psychological problems can that will probably HC 30 them for their whole lives. to that stray (G) what simply 第4頁 共10頁 (H) haunt when (I) with 29 (E) under (J) than 實際与前述不同

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