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Mathematics, 22.07.2019 22:50 CauseWhyNot6235

Four numbers from the set 0 to 9, including 0 and 9, are used to create a personal identification number. once a number is used, it cannot be reused. how many possible outcomes exist for the situation? how many possible outcomes begin with a 0? what is the theoretical probability of choosing a personal identification number that begins with a 0?

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