# Author: Emily

## Cambridge International Exams Resources

Hey everyone, want to announce that I’ll start adding Cambridge International Exam (CIE) Resources to this website. I realize there are quite a number of… ## Radioactivity: What’s tested in O Level Physics

A new topic, radioactivity will be tested in O Level Physics starting from 2024. There are 3 main parts tested: atomic structure, radioactive decay, and application and dangers of radioactivity.

## 2023 Mathematics Specimen Paper 2

In this post, you’ll find the worked solutions for the 2023 Mathematics specimen paper 2. 2023 will be the first year for syllabus 4052.

## 2023 Mathematics Specimen Paper 1

In this post, you’ll find the worked solutions for the 2023 Mathematics specimen paper 1. This will be the first year for syllabus 4052. ## Orbital Hybridisation – sp³, sp², sp hybridisation

In this post, we’ll talk about sp³, sp² and sp orbital hybridisation. Also, I’ll show you an easy way to determine hybridisation. ## How to find probabilities for binomial distribution with TI 84 graphic calculator

Let’s look at how to find probabilities for binomial distribution with Ti 84 CE plus graphic calculator, tested in statistics section. ## Sampling Questions: A Level TYS Answers

Find the worked solutions for past A Level sampling questions, which are found in paper 2 of H2 Math papers, statistics section. ## Hypothesis Testing Questions: A Level TYS Answers

Find the worked solutions for past A Level hypothesis testing questions, which are found in paper 2 of H2 Math papers, statistics section. ## Regression and Correlation Questions: A Level TYS Answers

Find the worked solutions for past A Level regression and correlation questions, found in paper 2 of H2 Math papers, statistics section. ## Binomial Distribution Questions: A Level TYS Answers

Find the worked solutions for past A Level binomial distribution questions. Binomial distribution questions are found in paper 2, statistics section of A Level Math.