Stage: 3 and 4 Challenge Level: 
Try out the Pascal Multiples downloadable file.
It's an ordinary Pascal's Triangle array but shows the multiples of any number up to 20.
Try to account for the patterns you observe.
Probability distributions, expectation and variance. Mathematical modelling. Theoretical probability. Approximate solution by numerical methods.. Experimental probability. Spreadsheets. Maths in STEM. Random variables. Conditional probability. Sequences.
Published January 2003.
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