Предмет: Математика, автор: solnce07

Игральная кость бросается 5 раз.Найти вероятность того, что три очка выпадут 2 раза.

Ответы

Автор ответа: Арти

0

3 очка 2 раза могут выпасть $frac{4*5}{1*2}$ спосабами то есть 10 способов.

Возможно 6⁵ вариантов выпадений кубика.

Значит вероятность выпадения 2 троек $frac{10}{7776}$ = $frac{5}{3888}$ или ≈0,13%

Ответ: $frac{5}{3888}$ или ≈0,13%

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