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Why Start with Tree Diagrams?
Why the tree diagram is fundamental to studying probability - and why it should be introduced right from the start.
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Probability Calculations from Tree Diagrams
Progression from natural frequencies to proportions to the multiplication rule, and hence to probability trees.
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Learning Probability Through Mathematical Modelling
Moving from the particular to the general, then revisiting the particular in that light, and so generalising further.
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Tree diagrams, 2-way tables and Venn diagrams
Representing frequencies and probabilities diagrammatically, and using the diagrams as interpretive tools.
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Independence and Dependence
When are events independent of each other? Sampling with and without replacement.
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Conditional Probability is Important for All Students!
Understanding statistics about testing for cancer or the chance that two babies in a family could die of SIDS is a crucial skill for ALL students.