SOLUTION: In a certain Algebra 2 class of 21 students, 7 of them play basketball and 8 of them play baseball. There are 11 students who play neither sport.What is the probability that a stud

Algebra.Com
Question 1161210: In a certain Algebra 2 class of 21 students, 7 of them play basketball and 8 of them play baseball. There are 11 students who play neither sport.What is the probability that a student chosen randomly from class plays both basketball and baseball?
Answer by ikleyn(52864)   (Show Source): You can put this solution on YOUR website!
.

The number of those who plays at least one sport is 21 - 11 = 10.


Therefore, the number of those who plays both sports is  7 + 8 - 10 = 5.


The probability under the problem's question is  P = .    ANSWER

Solved.

----------------

To understand the solution in FULL, read and learn from the lesson
    - Counting elements in sub-sets of a given finite set
in this site.


/\/\/\/\/\/\/\/

If you want communicate with me (and have a two-ways communication), always refer in your comment/message
to the problem's ID number.

For this problem, its ID number is 1161210.

Find it in your file,  in the  VERY  FIRST  upper line.

Then you will obtain my response in the same post/spot.

If you do not refer to the problem's ID, I will not know to whom to answer.

It is how this forum works.



RELATED QUESTIONS

In a certain algebra 2 class of 26 students 10 of them play basketball and 9 of them play (answered by ikleyn)
There are 35 students in Ms. Pool's first grade class. All of the students play either... (answered by richard1234)
I hope you can help me.. I am learning algebra, however my teacher gave us this problem... (answered by jim_thompson5910)
partcipation in a sports is compulsory in aschool. a class has 80 students out of which... (answered by ewatrrr)
In a class of 200 students , 120 play soccer and 100 play cricket . If a student has to... (answered by Theo)
i have 21 students surveyed to see how many participated in specifics sports. I need a... (answered by josmiceli)
There are 50 students in a class. 24 of them took algebra, 32 of them took biology, and... (answered by ewatrrr)
In my year 5 class of 30 children some students play tennis, some play basketball, some... (answered by edjones)
ther are 120 students in a class. 25% of the students play volleyball. 40% of the... (answered by josmiceli)