Normal distribution
What Normal distribution means in Mathematics A-Level, as defined for AQA, Pearson Edexcel.
Definitions of Normal distribution
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Reference: Pearson Edexcel
A continuous probability distribution that is symmetric and bell-shaped, defined by its mean μ and variance σ². Notation: X ~ N(μ, σ²).
A continuous, symmetric probability distribution described by its mean and variance, with total area 1 under its bell-shaped curve.
A continuous, symmetric, bell-shaped probability distribution determined by its mean μ and variance σ².
A continuous, symmetric probability distribution described by its mean μ and variance σ².
Topics that use Normal distribution
- N: Statistical distributions (AQA A-Level)
- Probability (Pearson Edexcel A-Level)
- Statistical distributions (Pearson Edexcel A-Level)
Related terms
- Binomial distribution
- Random variable
- continuity correction
- Mean (μ)
- standard deviation
- Standardisation
- Variance (σ²)
- Conditional probability
Using Normal distribution in the exam
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