zakleahyschool zakleahyschool

04-02-2021
Mathematics

contestada

In a group of 20 students, 1 studies both Art and Biology.
1 studies Biology but not Art.
7 study neither subject.
Given that a randomly selected student studies Art, what is the probability the student studies Art and Biology?

Respuesta :

mhanifa mhanifa

08-02-2021

Answer:

1/12

Step-by-step explanation:

Total number is 20.

Distribution is:

Art + Biology = 1
Biology = 1
Neither = 7

The rest = 20 - 9 = 11, the Art students

Total number of Art students becomes 12

The probability would be then:

1/12

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