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Sphere Fan Model: Definition & Example

\(\definecolor{bl}{RGB}{20, 120, 200} \definecolor{gr}{RGB}{0, 220, 180} \definecolor{r}{RGB}{250, 50, 115} \definecolor{ li}{RGB}{131, 99, 226} \definecolor{ge}{RGB}{255, 205, 0}\)Have you ever wondered why some raisin rolls have more raisins than others? Mathematicians provide an answer to this with the so-called Ball fan model.…