makayla7635
04.06.2020 •
Mathematics
En una academia hay 3 aulas, el aula roja, el aula azul, y el aula negra. Los estudiantes están reportados de la siguiente manera:
. el aula roja tiene el 50% de los estudiantes
. el aula azul, tiene el 30%de los estudiantes.
. el aula negra tiene, tiene el 20% de los estudiantes.
Los hombres están reportados de manera uniforme, pues en cada aula hay un 40% de hombres, si se selecciona estudiante al azar:
a)¿Cuál es la probabilidad de que sea una mujer del aula azul?
b)¿Cuál es la probabilidad de que sea hombre del aula negra?
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Ответ:
To solve this problem, we just have to multiply.
(A) The event: woman in the blue class room is related to 60% of women representation and 30% of students representation in the blue classroom.
Therefore, the chances of choosing a woman student from the blue classroom is
Which is equivalent to 18% of probability.
(B)We apply the same process to find the probability of choosing a man from the black classroom.
Which is equivalent to 8% of probability.
Therefore, there's a 18% of chances of choosing a woman from the blue classroom, and there's a 8% of changes of chossing a man from the black classroom.Ответ:
Bring up your mental health. This pandemic is really taking a toll on peoples mental health and online classes don't make it any better. Bring up how you know you can do better and how you will do better in the future.
Step-by-step explanation: