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Mathematics, 29.10.2019 21:31 sirdre1982

Astudy by the national park service revealed that 50% of the vacationers going to the rocky mountain region visit yellowstone park, 40% visit the grand tetons, and 35% visit both. what is the probability that a vacationer will visit at least one of these magnificent attractions?

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Astudy by the national park service revealed that 50% of the vacationers going to the rocky mountain...
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