contestada

100 students were interviewed.
28 took PE, 31 took BIO, 42 took ENG, 9 took PE and BIO, 10 took PE and ENG, 6 took BIO and ENG, 4 took
all three subjects.
How many students took none of the three subjects?
How many students took PE but not BIO or ENG?
How many students took BIO and PE but not ENG?

Respuesta :

okpalawalter8

The solution for all three is mathematically given as

  • P(3)= 20
  • P(PBE)= 13
  • P(PB)=5

How many students took BIO and PE but not ENG?

Generally, the equation for students taking only PE and not Bio and Eng is  mathematically given as

P(PBE)= 28 – (5+6+4)

= 28 - 15

= 13

Students taking only Bio and not PE and Eng

P(BP)= 31 – (5+4+2)

= 31 - 11

= 20  

Students who are merely studying English and are not also taking Bio and PE

P(EP)= 42 – (6+4+2)

= 42 - 12

= 30  

Now, students who have taken three different classes

P(3)= 100 - ( 13 + 5 + 4 + 20 + 2 + 30 + 6 )

= 100 - 80

= 20

In conclusion, Students who have taken BIO and PE but not ENG will get a = 5 for their efforts.

Read more about Set

https://brainly.com/question/8053622

#SPJ1

Otras preguntas