数学 · GCSE · Probability
Conditional probability
gcse-math-p9免费7:01Heddy 星级 7 颗中 1 颗,未达标从 youtube-nocookie.com 播放。按下播放之前,YouTube 不会写入任何 cookie。
你需要知道的
- Conditional probability is the chance of one event given another has happened.
- The given condition reduces the set of outcomes considered.
- Two-way tables, trees and Venn diagrams can all show it.
这个短片讲了
125:33–130:33Upper and lower bounds in calculationsgcse-math-n16b184:14–191:39Density and pressuregcse-math-r11b234:23–240:15Pythagoras and trigonometry in 3Dgcse-math-g20d240:15–256:21The sine rulegcse-math-g22a280:34–290:46Circle theorems: anglesgcse-math-g10a294:34–305:17Vector proofsgcse-math-g25b317:30–333:04Factorising harder quadraticsgcse-math-a4f342:47–346:21The quadratic formulagcse-math-a18e346:21–350:03Completing the squaregcse-math-a18d354:37–372:23Algebraic fractionsgcse-math-a4g418:28–422:36Tangent to a circlegcse-math-a16b468:31–473:47Transforming graphsgcse-math-a13489:04–494:47Quadratic inequalities and set notationgcse-math-a22c494:47–502:33Iterationgcse-math-a20509:25–513:07nth term of a quadratic sequencegcse-math-a25b516:32–520:51Algebraic proofgcse-math-a6c561:50–564:24Box plotsgcse-math-s4c564:24–584:36Histogramsgcse-math-s3a594:37–601:38Conditional probabilitygcse-math-p9也讲到Locigcse-math-g2c也讲到Composite solids and frustumsgcse-math-g17d也讲到Area of any trianglegcse-math-g23也讲到Geometric proofgcse-math-g6也讲到Perpendicular linesgcse-math-a9d也讲到Area under a graphgcse-math-a15b也讲到The cosine rulegcse-math-g22b也讲到Tree diagramsmh17也讲到Cumulative frequency graphsgcse-math-s3bHeddy 星级每个短片在给学生看之前都要通过七项检查:来源可靠、在星图上、内容准确、主题集中、易于观看、适合孩子,以及学生证明有用。1/7, 未达标
- 可信来源 · 已通过. 创作者本人上传,链接有效,可以在这里播放。
- 对准知识点 · 待评. 老师看过:它主要讲的就是这个知识点。
- 符合考纲 · 待评. 内容准确,符合现行英国考纲。
- 聚焦 · 未通过. 只讲一个概念,短到可以一口气看完。
- 无障碍 · 待评. 字幕可靠,声音和画面清楚。
- 适合青少年 · 待评. 适合 11 到 16 岁的学生,没有推销。
- 有成效 · 待评. 由我们的学生评出:看了学得会、觉得有帮助、愿意看到最后。
我们的学生
Heddy 星级怎么评学生人数还不够
我们自己学生的回答,第 7 颗星“有成效”就由这些决定。为什么选它
Corbettmaths' ten-hour Higher course recap spending a few minutes per topic; best used chapter by chapter by Year 11 Higher students.
YouTube 频道:corbettmaths2026-10-16 核对