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独立重复试验 · 历年高考数学真题与解析

本页汇总 高考真题检索 的「独立重复试验」高考数学真题共 2 道,覆盖 2017–2026 年,最常出题型为 解答题;含完整答案与解析。

2questions
Past questions included
2017–2026
Years covered
区分题为主
Overall difficulty
Free-response
Most common question type
Practice This Topic Do 5 reliable past questions first, then see the answers and explanations after you submit
常用解题方法函数与方程化归与转化
常见易错点条件未代回符号错误
Core competencies应用

Past Question List

2026 Tianjin Gaokao Free response Differentiating Question 13 2026_天津 Paper

13.箱子里有一个红球,两个黄球,三个白球,若有放回地取三次,则三次都没取到黄球的概率为 ;在三次都没取到黄球的条件下,至少取到一次红球的概率是

2017 Zhejiang Gaokao Single choice Differentiating Question 8 2017_浙江卷 (2017)

8.(5 分)已知随机变量 $\xi_{\mathrm{i}}$ 满足 $\mathrm{P}\left(\xi_{\mathrm{i}}=1\right)=\mathrm{p}_{\mathrm{i}}, \mathrm{P}\left(\xi_{\mathrm{i}}=0\right)=1-\mathrm{p}_{\mathrm{i}}$ , $\mathrm{i}=1$ ,2.若 $0< \mathrm{p}_{1}<\mathrm{p}_{2}<\frac{1}{2}$ ,则( )

A. $E\left(\xi_{1}\right)<E\left(\xi_{2}\right)$ ,D $\left(\xi_{1}\right)<D\left(\xi_{2}\right)$
B. $E\left(\xi_{1}\right)<E\left(\xi_{2}\right), D\left(\xi_{1}\right)>D\left(\xi_{2}\right)$
C. $E\left(\xi_{1}\right)>E\left(\xi_{2}\right), D\left(\xi_{1}\right)<D\left(\xi_{2}\right)$
D. $E\left(\xi_{1}\right)>E\left(\xi_{2}\right), D\left(\xi_{1}\right)>D\left(\xi_{2}\right)$

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