Asked by Ariana
A committee must be formed with 4 teachers and 4 students. If there are 6 teachers to choose from, and 12 students, how many different ways could the committee be made?
gracias
gracias
Answers
Answered by
Reiny
what is
C(6,4) * C(12,4) ?
C(6,4) * C(12,4) ?
Answered by
Reiny
C(6,4) is the notation we use to find the number of ways you can CHOOSE 4 from 6 items
if the order does not matter. This is called a combination.
C(n,r) = n!/(r!9n-r)!)
sometimes written as <sub>n</sub>C<sub>r</sub>
If you are getting these kind of questions, you MUST be familiar with this terminology.
if the order does not matter. This is called a combination.
C(n,r) = n!/(r!9n-r)!)
sometimes written as <sub>n</sub>C<sub>r</sub>
If you are getting these kind of questions, you MUST be familiar with this terminology.
Answered by
ariana
i dont get it
Answered by
ariana
do i multiply 15 times 495?
Answer
7425