continuity correction
What continuity correction means in Mathematics A-Level, as defined for Pearson Edexcel.
Definitions of continuity correction
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Reference: Pearson Edexcel
An adjustment applied when approximating a discrete distribution (like Binomial) with a continuous distribution (like Normal), by adding or subtracting 0.5 to the boundary values.
An adjustment of ±0.5 to a boundary when a discrete distribution is approximated by a continuous Normal distribution.
A shift of 0.5 used when a discrete binomial probability is approximated by a continuous Normal area.
Topics that use continuity correction
- Probability (Pearson Edexcel A-Level)
- Statistical distributions (Pearson Edexcel A-Level)
Related terms
- Binomial distribution
- Normal distribution
- Random variable
- Conditional probability
- Cumulative probability
- Discrete distributions
- discrete random variable
- discrete uniform distribution
Using continuity correction in the exam
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