Предмет: Математика, автор: dilnazekpin

Какова вероятность выпадения двух «гербов» при одновременном брошении трёх монет?

settom: Вероятности независимых события перемножаются 0,5*0,5*0,5=0,125

settom: один лишний раз перемножил раз

settom: 0,5*0,5=0,25

Ответы

Автор ответа: Pelmenyahna

Ответ:

Пошаговое объяснение:

Чтобы выпало 2 герба надо, чтобы выпал герб (вероятность 0,5) и еще раз выпал герб у другой монеты (вероятность 0,5). Значит чтобы одновременно произошли два этих события надо 0,5*0,5=0,25.

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