Statistical enquiry cycle
The range of values for probabilities
Using number for writing probabilities
Ways of calculating probabilities
1 Equally likely outcomes
2 Long run probability
Expected number of outcomes
Combining probabilities – probability trees
Mixing it up
1 Planning an investigation
a Questions, trials, outcomes and events
b List the steps needed to carry out your investigation and describe how you will record your results
c Number of trials and prediction
2 Recording and displaying results
3 Identifying patterns and discussing the data
4 Writing a conclusion
1 Plotting probabilities throughout an experiment
2 Calculating the theoretical probability
Putting it all together
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