Distributions
Probability distributions — binomial and Normal distributions, standardisation, z-scores, inverse Normal, and Poisson distribution.
Start practising →Sample questions
- Medium Binomial distribution Calculator [8]
- Easy Binomial mean and variance No Calculator [8]
- Medium Binomial cumulative (GDC) Calculator [10]
About this topic
These are original, exam-style questions written to match the IB Mathematics syllabus for Applications & Interpretation SL. Every question comes with a full step-by-step worked solution showing the method, with mark allocations matching real IB marking schemes. Questions are labelled Paper 1 (no calculator) or Paper 2 (calculator allowed) so you practise under realistic exam conditions.
How to practise
- Open the question bank using the button above.
- Attempt the question, writing out your working.
- Reveal the full worked solution and compare your method step by step.
- Use the difficulty and calculator filters to focus on what you need most.