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01-06-2018
Mathematics

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About 17% of the population of a large country is allergic to pollen. if two people are randomly selected, what is the probability both are allergic to pollen? what is the probability at least one is allergic to pollen?

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01-06-2018

P( both allergic) = 0.17*0.17 = 0.0289

P(at least one is allergic) = 1 - P(neither are allergic) = 1 - 0.83^2 = 0.311

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