(Answered) A study by the national park service revealed that 50 of

Statistics

A study 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?

A) 0.95

B) 0.35

C) 0.55

D) 0.05

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