A2 Applets
These have been AI-coded to provide hours of practice on many of the examinable skills for your A2 Mathematics Examinations.
Please note that, whilst I have tried as far as possible to match the questions to the WJEC specification, there may be gaps in coverage and missing topics. I will continue working on this as time allows!
Note that these applets are designed for web browser, and may well not display correctly on iPad or mobile devices. For best results use a computer/laptop!
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A2 Unit 4 Statistics Applets
Conditional Probability Basics
Using the basic formula for conditional probability, in the setting of Venn diagrams and two-way tables.
(Continuous) Uniform Distribution
Visual Tool for understanding the Uniform Distribution and calculating probability, mean and variance.
Visual Tool for understanding the Normal Distribution and calculating probabilities.
Normal Distribution Visualiser
Normal Distribution Basic Practice
Visual Tool for practicing calculating probabilities and inverse normal functions on your calculator.