11. Which probability distribution model is best suited for modelling the scores in an examination? A Binomial B Geometric C Poisson D Normal
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While all these distributions serve different purposes, the Normal distribution is frequently the go-to choice for modeling examination scores. This is because, thanks to the Central Limit Theorem, we can expect a bell-shaped curve with most scores clustering around the average, reflecting the natural variability in students' performances. Exam scores can often be visualized as a continuum, which aligns perfectly with the properties of the Normal distribution. Students tend to score near the mean, with fewer students achieving very high or very low scores, making this model not only fitting but also practically useful for further statistical analysis and predictions related to academic performance.
