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Mathematics, 03.04.2020 23:52 angsoccer02

In a recent survey of 100 people, 52 indicated that they had flown on an airplane at least once, and 28 indicated that they had ridden on a train at least once. Only 10 of the respondents indicated that they had both flown on an airplane at least once and ridden on a train at least once. What is the probability that a person randomly selected from the sample indicated they had ridden on a train at least once but had never flown on an airplane

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