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  3. suppose that 47% of all americans have flown

Suppose that 47% of all Americans have flown in an airplane at least once and that...

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Basic Math

Suppose that 47% of all Americans have flown in an airplane atleast once and that 28% of all Americans have ridden on a train atleast once.What is the probability that a randomly selectedAmerican has either ridden on a train or flown in an airplane? Canthis problem be solved? Under what conditions can it be solved? Ifthe problem cannot be solved, what information is needed to make itsolvable?

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