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Mathematics, 05.11.2020 16:40 jayyy1002

A survey among American adults concluded that 20% of adults believe Elvis is still alive, 10% believe they've been abducted by aliens, and 4% believe that both Elvis is still alive and they've been abducted by aliens. What is the probability that a randomly chosen adult believes that Elvis is still alive or they've been abducted by aliens.

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