223k views
5 votes
How many ways can 4 student ma be chosen from a class of 30 students is ?

User Ning
by
8.6k points

2 Answers

5 votes
If the order doesn't matter then you have to apply the combination formula:

³⁰C₄ = (30!)/(4!)(30-4)! = 27,405 WAYS

User Jeffrey Simon
by
8.2k points
3 votes
That's we can solve by using a combination algorithm:
C^4_(30)=(30*29*28*27)/(4*3*2*1) = 27405
User Protspace
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories