Expected frequencies
What Expected frequencies means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Expected frequencies
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Reference: Pearson Edexcel
Theoretical counts calculated from probabilities, for example if P(X) = 0.1, the expected frequency in 50 trials is 0.1 × 50 = 5.
Topics that use Expected frequencies
- Probability (Pearson Edexcel GCSE)
Related terms
- bias
- Conditional probability
- Equally likely outcomes
- Event
- Expected frequency
- expected outcomes
- Fair randomising device
- frequency trees
Using Expected frequencies in the exam
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