[Solved] A small colony of 20 individuals of a previously unknown animal is discovered

A small colony of 20 individuals of a previously unknown animal is discovered. It is believed that it might be the same species as one described by carly explorers who said that one- quarter of them were male, the rest female. What numbers of males and females would lead you to believe, at the 5% Significance level, that they are not the same species?

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