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International Baccalaureate Mathematics

Statistics and Probability

These are the Transum resources related to the statement: "Binomial distribution. Mean and variance of the binomial distribution".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

Here are some exam-style questions on this statement:

See all these questions

Click on a topic below for suggested lesson Starters, resources and activities from Transum.


The formulas for the expected (mean) value and variance are given in the Formula Booklet

E(X) = np

Var(X) = np(1-p)

The Guidance and clarification notes in the syllabus state that "In examinations, binomial probabilities should be found using available technology. Not required: Formal proof of mean and variance."

This Binomial Distribution Video is from Revision Village and is aimed at students taking the IB Maths Standard level course.

This Bicen Maths video clip shows everything you need to memorise on this topic for A Level Statistics.

If you use a TI-Nspire GDC there are instructions useful for this topic.

How do you teach this topic? Do you have any tips or suggestions for other teachers? It is always useful to receive feedback and helps make these free resources even more useful for Maths teachers anywhere in the world. Click here to enter your comments.


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