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中小学教育研究

Journal of Research in Primary and Secondary Education

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Journal of Research in Primary and Secondary Education. 2022; 1: (2) ; 10.12208/j.jrpe.20220027 .

Problems in the probability of high school under the new college entrance examination
新高考下高中概率中的问题

作者: 薛美琴*, 马青莲, 魏俊潮

扬州大学 江苏扬州

*通讯作者: 薛美琴,单位:扬州大学 江苏扬州;

引用本文: 薛美琴, 马青莲, 魏俊潮 新高考下高中概率中的问题[J]. 中小学教育研究, 2022; 1: (2) : 1-5.
Published: 2022/9/13 10:49:55

摘要

本文主要研究了高考中常出现的概率期望和K值问题,主要为二项分布、离散型随机变量的分布和正态分布等模型的期望和一些简单应用,给出以上模型的一些常规方法。

关键词: 概率;期望;图像结合

Abstract

This paper mainly studies the probability expectation and K value problems that often occur in the college entrance examination, mainly the expectation and some simple applications of the binomial distribution, the distribution of discrete random variables and the normal distribution, and some conventional methods of the above models are given.

Key words: Probability; Expectation; Image Combination

参考文献 References

[1] 2021年新高考全国卷Ⅰ数学18题评析.伊翠红.

[2] 2022全国高考模拟试卷汇编.

[3] 20222022年新高考I卷.