Mathematics A-Level
Normal approximation
What Normal approximation means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Normal approximation
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Reference: Pearson Edexcel
Using a Normal distribution N(np,np(1-p)) to estimate probabilities from a suitable Binomial distribution B(n,p).
Topics that use Normal approximation
- Statistical distributions (Pearson Edexcel A-Level)
Related terms
- Binomial distribution
- continuity correction
- Cumulative probability
- discrete random variable
- discrete uniform distribution
- Limitations and model criticism
- Mean (μ)
- Model selection and assumptions
Using Normal approximation in the exam
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