Editing P-3 (section)

==Explanation==
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In scientific research, a {{w|p-value}} is a threshold used to gauge how likely it is that the results found could have been due to random chance, and not due to the hypothesis being true. Using p=0.05 means there should be a 5% chance of the result being up to random chance. As the choice to use a number rounded to the nearest 5 was influenced by the commonly used decimal numeral system, which was influenced by humans having 5 fingers, it's implied that a 3-fingered alien would instead use p=0.03. (though that number is still in base 10, so it's unlikely they'd use that either) The title text implies the existence of a species using p=0.2, meaning a result had a 20% chance of occurring at random, which would lead to a lot of false positives, as in the scenario described in the title text.