SOLUTION: Out of 50 students, 18 study Biology, 26 study Physics, and 2 study Biology AND Physics. What is the probability that a student who is randomly chosen studies Biology OR Physic

Question 1180897: Out of 50 students, 18 study Biology, 26 study Physics, and 2 study Biology AND Physics.
What is the probability that a student who is randomly chosen studies Biology OR Physics?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
Out of 50 students, 18 study Biology, 26 study Physics, and 2 study Biology AND Physics.
What is the probability that a student who is randomly chosen studies Biology OR Physics?
~~~~~~~~~~~~~~~~~~~~~~~

    P(Biology OR Physics) = P(Biology) + P(Physics) - P(Biology AND Physics) = 


                          =  =  =  =  =  = 0.84 = 84%.    ANSWER

Solved.

RELATED QUESTIONS
In a year group of 63 students, 22 study biology, 26 study Chemistry and 25 study... (answered by ikleyn)

In a group of 200 students, each student studies at least one of the three science... (answered by math_tutor2020)

In a group of 200 students, each student studies at least one of the three science... (answered by CPhill)

A safety committee of 2 has to be firmed from 30 studentd. 8 study physics. 10 study... (answered by Boreal)

In a group of 30 students all study at least one of the subjects Physics and Biology. 20... (answered by ewatrrr)

Hello, this might be a long question, but I think it is quite easy to do and I haven done (answered by ikleyn)

In an integrated science class of 76 students, 8 are chemistry-education; 3... (answered by jorel555)

50 students in a class 18 studying biology 30 chemistry 25 physics 11 studing physics (answered by khai)

In a class of 100 students, 40 offer Biology and 10 offer chemistry and Biology. 10 offer (answered by The Troll Kid)