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C = 1 - [ (5/5)(1/3) + (3/3)(2/5)]
C = 1 - (5/15 + 6/15)
C = 1 - 11/15 = 15/15 - 11/15
C = 4/15
Rpta: Los colibries representa los 4/15 de la cantidad total de animales.