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В некотором опыте возможно три элементарных события и . Вероятность того,
что наступит либо , либо , равна 0,48 . Найди вероятность элементарного события .

Ask by Blake Spencer. in Russia
Jan 23,2025

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Вероятность события равна 0,52.

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Чтобы найти вероятность элементарного события , нужно воспользоваться тем, что сумма вероятностей всех элементарных событий в опыте равна 1. Обозначим вероятность события как , вероятность события как , а вероятность события как .
Согласно условию, у нас есть:
Таким образом, вероятность события будет равна:
Подставляем значение:
Итак, вероятность элементарного события равна 0,52.

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