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Suppose a population is modeled like a box of numbered tickets. We will draw at random, with replacement, a large number of times and sum

Suppose a population is modeled like a box of numbered tickets. We will draw at random, with replacement, a large number of times and sum the numbers. The sum of the randomly drawn numbers will have a normal-shaped probability histogram... ...regardless of the distribution of numbers in the box, with enough draws. ...only if the numbers in the box have a normal-shaped distribution

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Cambridge IGCSE And O Level Additional Mathematics

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