Discover the answers you need at Westonci.ca, where experts provide clear and concise information on various topics. Ask your questions and receive precise answers from experienced professionals across different disciplines. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

If the Math Olympiad Club consists of 19 students, how many different teams of 3students can be formed for competitions?

Sagot :

since they are students order is not going to matter and it will be a combination.

[tex]nCr=\frac{n!}{r!(n-r)!}[/tex]

n= total of students

n=19

r= students per group

r=3

[tex]\begin{gathered} 19C3=\frac{19!}{3!16!} \\ 19C3=969 \end{gathered}[/tex]

there can be formed 969 groups