IB Mathematics Applications and Interpretation Quiz
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STATISTICS AND PROBABILITY
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An ecologist is studying the habitat preference of a bird species in a park with three distinct areas: Woodland, Wetland, and Grassland. The total areas are 50 ha, 20 ha, and 30 ha, respectively. The ecologist observes 240 birds.
If the birds show no preference and are distributed proportionally to the area of the habitats, what is the expected number of birds in the Wetland?
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